Page 1
A
Test Booklet No. Test Booklet Code
(Do not open this Test Booklet until you are asked to do so)
Time Allowed : 60 minutes Maximum Marks : 200 Total Questions : 50 Number of questions to be answered : 40
Kindly read the Instructions given on this Page and Back Page carefully before attempting this Question Paper.
Important Instructions for the Candidates :
1. This Test Booklet contains 50 questions printed in English. Out of these, the candidate is required to answer
any 40 questions. If a candidate answers more than 40 questions, the first 40 answered questions will be
considered for evaluation.
2. The OMR Answer Sheet is inside this Test Booklet. When you are directed to open the Test Booklet, take
out the OMR Answer Sheet and fill in your particulars carefully with blue/black ball point pen only.
3. Use only Blue/Black Ball Point Pen for marking responses.
4. The CODE for this Test Booklet is A. Make sure that the CODE printed on the OMR Answer Sheet is the
same as that on this Test Booklet. Also ensure that your Test Booklet No. and OMR Answer Sheet No. are
exactly the same. In case of discrepancy, the candidate should immediately report the matter to the
Invigilator for replacement of both the Test Booklet and the OMR Answer Sheet. No claim in this regard
will be entertained after five minutes from the start of the examination.
5. Before attempting the question paper kindly check that this Test Booklet has total 16 pages and OMR
Answer Sheet consists of one sheet. At the start of the examination within the first five minutes, candidates
are advised to ensure that all pages of Test Booklet and OMR Answer Sheet are properly printed and they
are not damaged in any manner.
6. Each question has four answer options. Out of these four options choose the MOST APPROPRIATE
OPTION and darken/blacken the corresponding circle on the OMR Answer Sheet with a Blue/Black Ball
Point Pen.
7. Five (5) marks will be given for each correct answer. One (1) mark will be deducted for each incorrect
answer. If more than one circle is found darkened/blackened for a question, then it will be considered as an
incorrect answer. Unanswered questions will be given no mark.
Name of the Candidate (in Capital Letters) : ___________________________________________________________________
Application Number (in figures) : ______________________________________________________________________________
Roll Number (in figures) : ___________________________________________________________________________________
Centre of Examination (in Capital Letters) : ___________________________________________________________________
Candidate’s Signature : ____________________________ Invigilator’s Signature : ___________________________________
Facsimile signature stamp of Centre Superintendent : __________________________________________________________
Subject : PHYSICS
Code : 322 E
Medium : English
Page 2
A
Test Booklet No. Test Booklet Code
(Do not open this Test Booklet until you are asked to do so)
Time Allowed : 60 minutes Maximum Marks : 200 Total Questions : 50 Number of questions to be answered : 40
Kindly read the Instructions given on this Page and Back Page carefully before attempting this Question Paper.
Important Instructions for the Candidates :
1. This Test Booklet contains 50 questions printed in English. Out of these, the candidate is required to answer
any 40 questions. If a candidate answers more than 40 questions, the first 40 answered questions will be
considered for evaluation.
2. The OMR Answer Sheet is inside this Test Booklet. When you are directed to open the Test Booklet, take
out the OMR Answer Sheet and fill in your particulars carefully with blue/black ball point pen only.
3. Use only Blue/Black Ball Point Pen for marking responses.
4. The CODE for this Test Booklet is A. Make sure that the CODE printed on the OMR Answer Sheet is the
same as that on this Test Booklet. Also ensure that your Test Booklet No. and OMR Answer Sheet No. are
exactly the same. In case of discrepancy, the candidate should immediately report the matter to the
Invigilator for replacement of both the Test Booklet and the OMR Answer Sheet. No claim in this regard
will be entertained after five minutes from the start of the examination.
5. Before attempting the question paper kindly check that this Test Booklet has total 16 pages and OMR
Answer Sheet consists of one sheet. At the start of the examination within the first five minutes, candidates
are advised to ensure that all pages of Test Booklet and OMR Answer Sheet are properly printed and they
are not damaged in any manner.
6. Each question has four answer options. Out of these four options choose the MOST APPROPRIATE
OPTION and darken/blacken the corresponding circle on the OMR Answer Sheet with a Blue/Black Ball
Point Pen.
7. Five (5) marks will be given for each correct answer. One (1) mark will be deducted for each incorrect
answer. If more than one circle is found darkened/blackened for a question, then it will be considered as an
incorrect answer. Unanswered questions will be given no mark.
Name of the Candidate (in Capital Letters) : ___________________________________________________________________
Application Number (in figures) : ______________________________________________________________________________
Roll Number (in figures) : ___________________________________________________________________________________
Centre of Examination (in Capital Letters) : ___________________________________________________________________
Candidate’s Signature : ____________________________ Invigilator’s Signature : ___________________________________
Facsimile signature stamp of Centre Superintendent : __________________________________________________________
Subject : PHYSICS
Code : 322 E
Medium : English
322 E/A ( 2 )
SPACE FOR ROUGH WORK
1. Two charged particles, placed at a distance d apart in vacuum, exert a force F on each other. Now, each of
the charges is doubled. To keep the force unchanged, the distance between the charges should be changed
to __________.
Fill in the blank with the correct answer from the options given below.
(1) 4d (2) 2d (3) d (4) d/2
2. Two parallel plate capacitors of capacitances 2 ?F and 3 ?F are joined in series and the combination is
connected to a battery of V volts. The values of potential across the two capacitors V
1
and V
2
and energy
stored in the two capacitors U
1
and U
2
respectively are related as _______________________.
Fill in the blank with the correct answer from the options given below.
(1)
2
1
V
V
=
2
1
U
U
=
2
3
(2)
2
1
V
V
=
2
1
U
U
=
3
2
(3)
2
1
V
V
=
2
3
and
2
1
U
U
=
3
2
(4)
2
1
V
V
=
3
2
and
2
1
U
U
=
2
3
3. Two large plane parallel sheets shown in the figure have equal but opposite surface charge densities + ?
and – ?. A point charge q placed at points P
1
, P
2
and P
3
experiences forces F
1
, F
2
and F
3
respectively.
Then
Choose the correct answer from the options given below.
(1)
?
1
F = 0,
?
2
F = 0,
?
3
F = 0 (2)
?
1
F = 0,
?
2
F ? 0,
?
3
F = 0
(3)
?
1
F ? 0,
?
2
F ? 0,
?
3
F ? 0 (4)
?
1
F = 0,
?
3
F ? 0,
?
2
F = 0
4. Two charged metallic spheres with radii R
1
and R
2
are brought in contact and then separated. The ratio of
final charges Q
1
and Q
2
on the two spheres respectively will be ____________.
Fill in the blank with the correct answer from the options given below.
(1)
2
1
Q
Q
=
1
2
R
R
(2)
2
1
Q
Q
<
2
1
R
R
(3)
2
1
Q
Q
>
2
1
R
R
(4)
2
1
Q
Q
=
2
1
R
R
Page 3
A
Test Booklet No. Test Booklet Code
(Do not open this Test Booklet until you are asked to do so)
Time Allowed : 60 minutes Maximum Marks : 200 Total Questions : 50 Number of questions to be answered : 40
Kindly read the Instructions given on this Page and Back Page carefully before attempting this Question Paper.
Important Instructions for the Candidates :
1. This Test Booklet contains 50 questions printed in English. Out of these, the candidate is required to answer
any 40 questions. If a candidate answers more than 40 questions, the first 40 answered questions will be
considered for evaluation.
2. The OMR Answer Sheet is inside this Test Booklet. When you are directed to open the Test Booklet, take
out the OMR Answer Sheet and fill in your particulars carefully with blue/black ball point pen only.
3. Use only Blue/Black Ball Point Pen for marking responses.
4. The CODE for this Test Booklet is A. Make sure that the CODE printed on the OMR Answer Sheet is the
same as that on this Test Booklet. Also ensure that your Test Booklet No. and OMR Answer Sheet No. are
exactly the same. In case of discrepancy, the candidate should immediately report the matter to the
Invigilator for replacement of both the Test Booklet and the OMR Answer Sheet. No claim in this regard
will be entertained after five minutes from the start of the examination.
5. Before attempting the question paper kindly check that this Test Booklet has total 16 pages and OMR
Answer Sheet consists of one sheet. At the start of the examination within the first five minutes, candidates
are advised to ensure that all pages of Test Booklet and OMR Answer Sheet are properly printed and they
are not damaged in any manner.
6. Each question has four answer options. Out of these four options choose the MOST APPROPRIATE
OPTION and darken/blacken the corresponding circle on the OMR Answer Sheet with a Blue/Black Ball
Point Pen.
7. Five (5) marks will be given for each correct answer. One (1) mark will be deducted for each incorrect
answer. If more than one circle is found darkened/blackened for a question, then it will be considered as an
incorrect answer. Unanswered questions will be given no mark.
Name of the Candidate (in Capital Letters) : ___________________________________________________________________
Application Number (in figures) : ______________________________________________________________________________
Roll Number (in figures) : ___________________________________________________________________________________
Centre of Examination (in Capital Letters) : ___________________________________________________________________
Candidate’s Signature : ____________________________ Invigilator’s Signature : ___________________________________
Facsimile signature stamp of Centre Superintendent : __________________________________________________________
Subject : PHYSICS
Code : 322 E
Medium : English
322 E/A ( 2 )
SPACE FOR ROUGH WORK
1. Two charged particles, placed at a distance d apart in vacuum, exert a force F on each other. Now, each of
the charges is doubled. To keep the force unchanged, the distance between the charges should be changed
to __________.
Fill in the blank with the correct answer from the options given below.
(1) 4d (2) 2d (3) d (4) d/2
2. Two parallel plate capacitors of capacitances 2 ?F and 3 ?F are joined in series and the combination is
connected to a battery of V volts. The values of potential across the two capacitors V
1
and V
2
and energy
stored in the two capacitors U
1
and U
2
respectively are related as _______________________.
Fill in the blank with the correct answer from the options given below.
(1)
2
1
V
V
=
2
1
U
U
=
2
3
(2)
2
1
V
V
=
2
1
U
U
=
3
2
(3)
2
1
V
V
=
2
3
and
2
1
U
U
=
3
2
(4)
2
1
V
V
=
3
2
and
2
1
U
U
=
2
3
3. Two large plane parallel sheets shown in the figure have equal but opposite surface charge densities + ?
and – ?. A point charge q placed at points P
1
, P
2
and P
3
experiences forces F
1
, F
2
and F
3
respectively.
Then
Choose the correct answer from the options given below.
(1)
?
1
F = 0,
?
2
F = 0,
?
3
F = 0 (2)
?
1
F = 0,
?
2
F ? 0,
?
3
F = 0
(3)
?
1
F ? 0,
?
2
F ? 0,
?
3
F ? 0 (4)
?
1
F = 0,
?
3
F ? 0,
?
2
F = 0
4. Two charged metallic spheres with radii R
1
and R
2
are brought in contact and then separated. The ratio of
final charges Q
1
and Q
2
on the two spheres respectively will be ____________.
Fill in the blank with the correct answer from the options given below.
(1)
2
1
Q
Q
=
1
2
R
R
(2)
2
1
Q
Q
<
2
1
R
R
(3)
2
1
Q
Q
>
2
1
R
R
(4)
2
1
Q
Q
=
2
1
R
R
322 E/A ( 3 )
SPACE FOR ROUGH WORK
5. Two resistances of 100 ? and 200 ? are connected in series across a 20 V battery as shown in figure
below. The reading in a 200 ? voltmeter connected across the 200 ? resistance is ___________.
100 ? 200 ?
20 V
V
(200 ) ?
+ –
Fill in the blank with the correct answer from the options given below.
(1) 4 V (2)
20
3
V (3) 10 V (4) 16 V
6. The current through a 4/3 ? external resistance connected to a parallel combination of two cells of
2 V and 1 V emf and internal resistances of 1 ? and 2 ? respectively is ___________.
Fill in the blank with the correct answer from the options given below.
(1) 1 A (2) 2/3 A (3) 3/4 A (4) 5/6 A
7. A metallic wire of uniform area of cross section has a resistance R, resistivity ? and power rating P at V
volts. The wire is uniformly stretched to reduce the radius to half the original radius. The values
of resistance, resistivity and power rating at V volts are now denoted by R', ?' and P' respectively. The
corresponding values are correctly related as ________________.
Fill in the blank with the correct answer from the options given below.
(1) ?' = 2 ?, R' = 2R, P' = 2P (2) ?' = (1/2) ?, R' = (1/2) R, P' = (1/2) P
(3) ?' = ?, R' = 16R, P' = (1/16) P (4) ?' = ?, R' = (1/16) R, P' = 16P
8. Three magnetic materials are listed below
(A) paramagnetics (B) diamagnetics (C) ferromagnetics
Choose the correct order of the materials in increasing order of magnetic susceptibility.
(1) (A), (B), (C) (2) (C), (A), (B) (3) (B), (A), (C) (4) (B), (C), (A)
9. Two infinitely long straight parallel conductors carrying currents I
1
and I
2
are held at a distance d apart in
vacuum. The force F on a length L of one of the conductors due to the other is ________________.
Fill in the blank with the correct answer from the options given below.
(1) proportional to L but independent of I
1
? I
2
(2) proportional to I
1
? I
2
but independent of length L
(3) proportional to I
1
? I
2
? L (4) proportional to
?
1 2
L
II
Page 4
A
Test Booklet No. Test Booklet Code
(Do not open this Test Booklet until you are asked to do so)
Time Allowed : 60 minutes Maximum Marks : 200 Total Questions : 50 Number of questions to be answered : 40
Kindly read the Instructions given on this Page and Back Page carefully before attempting this Question Paper.
Important Instructions for the Candidates :
1. This Test Booklet contains 50 questions printed in English. Out of these, the candidate is required to answer
any 40 questions. If a candidate answers more than 40 questions, the first 40 answered questions will be
considered for evaluation.
2. The OMR Answer Sheet is inside this Test Booklet. When you are directed to open the Test Booklet, take
out the OMR Answer Sheet and fill in your particulars carefully with blue/black ball point pen only.
3. Use only Blue/Black Ball Point Pen for marking responses.
4. The CODE for this Test Booklet is A. Make sure that the CODE printed on the OMR Answer Sheet is the
same as that on this Test Booklet. Also ensure that your Test Booklet No. and OMR Answer Sheet No. are
exactly the same. In case of discrepancy, the candidate should immediately report the matter to the
Invigilator for replacement of both the Test Booklet and the OMR Answer Sheet. No claim in this regard
will be entertained after five minutes from the start of the examination.
5. Before attempting the question paper kindly check that this Test Booklet has total 16 pages and OMR
Answer Sheet consists of one sheet. At the start of the examination within the first five minutes, candidates
are advised to ensure that all pages of Test Booklet and OMR Answer Sheet are properly printed and they
are not damaged in any manner.
6. Each question has four answer options. Out of these four options choose the MOST APPROPRIATE
OPTION and darken/blacken the corresponding circle on the OMR Answer Sheet with a Blue/Black Ball
Point Pen.
7. Five (5) marks will be given for each correct answer. One (1) mark will be deducted for each incorrect
answer. If more than one circle is found darkened/blackened for a question, then it will be considered as an
incorrect answer. Unanswered questions will be given no mark.
Name of the Candidate (in Capital Letters) : ___________________________________________________________________
Application Number (in figures) : ______________________________________________________________________________
Roll Number (in figures) : ___________________________________________________________________________________
Centre of Examination (in Capital Letters) : ___________________________________________________________________
Candidate’s Signature : ____________________________ Invigilator’s Signature : ___________________________________
Facsimile signature stamp of Centre Superintendent : __________________________________________________________
Subject : PHYSICS
Code : 322 E
Medium : English
322 E/A ( 2 )
SPACE FOR ROUGH WORK
1. Two charged particles, placed at a distance d apart in vacuum, exert a force F on each other. Now, each of
the charges is doubled. To keep the force unchanged, the distance between the charges should be changed
to __________.
Fill in the blank with the correct answer from the options given below.
(1) 4d (2) 2d (3) d (4) d/2
2. Two parallel plate capacitors of capacitances 2 ?F and 3 ?F are joined in series and the combination is
connected to a battery of V volts. The values of potential across the two capacitors V
1
and V
2
and energy
stored in the two capacitors U
1
and U
2
respectively are related as _______________________.
Fill in the blank with the correct answer from the options given below.
(1)
2
1
V
V
=
2
1
U
U
=
2
3
(2)
2
1
V
V
=
2
1
U
U
=
3
2
(3)
2
1
V
V
=
2
3
and
2
1
U
U
=
3
2
(4)
2
1
V
V
=
3
2
and
2
1
U
U
=
2
3
3. Two large plane parallel sheets shown in the figure have equal but opposite surface charge densities + ?
and – ?. A point charge q placed at points P
1
, P
2
and P
3
experiences forces F
1
, F
2
and F
3
respectively.
Then
Choose the correct answer from the options given below.
(1)
?
1
F = 0,
?
2
F = 0,
?
3
F = 0 (2)
?
1
F = 0,
?
2
F ? 0,
?
3
F = 0
(3)
?
1
F ? 0,
?
2
F ? 0,
?
3
F ? 0 (4)
?
1
F = 0,
?
3
F ? 0,
?
2
F = 0
4. Two charged metallic spheres with radii R
1
and R
2
are brought in contact and then separated. The ratio of
final charges Q
1
and Q
2
on the two spheres respectively will be ____________.
Fill in the blank with the correct answer from the options given below.
(1)
2
1
Q
Q
=
1
2
R
R
(2)
2
1
Q
Q
<
2
1
R
R
(3)
2
1
Q
Q
>
2
1
R
R
(4)
2
1
Q
Q
=
2
1
R
R
322 E/A ( 3 )
SPACE FOR ROUGH WORK
5. Two resistances of 100 ? and 200 ? are connected in series across a 20 V battery as shown in figure
below. The reading in a 200 ? voltmeter connected across the 200 ? resistance is ___________.
100 ? 200 ?
20 V
V
(200 ) ?
+ –
Fill in the blank with the correct answer from the options given below.
(1) 4 V (2)
20
3
V (3) 10 V (4) 16 V
6. The current through a 4/3 ? external resistance connected to a parallel combination of two cells of
2 V and 1 V emf and internal resistances of 1 ? and 2 ? respectively is ___________.
Fill in the blank with the correct answer from the options given below.
(1) 1 A (2) 2/3 A (3) 3/4 A (4) 5/6 A
7. A metallic wire of uniform area of cross section has a resistance R, resistivity ? and power rating P at V
volts. The wire is uniformly stretched to reduce the radius to half the original radius. The values
of resistance, resistivity and power rating at V volts are now denoted by R', ?' and P' respectively. The
corresponding values are correctly related as ________________.
Fill in the blank with the correct answer from the options given below.
(1) ?' = 2 ?, R' = 2R, P' = 2P (2) ?' = (1/2) ?, R' = (1/2) R, P' = (1/2) P
(3) ?' = ?, R' = 16R, P' = (1/16) P (4) ?' = ?, R' = (1/16) R, P' = 16P
8. Three magnetic materials are listed below
(A) paramagnetics (B) diamagnetics (C) ferromagnetics
Choose the correct order of the materials in increasing order of magnetic susceptibility.
(1) (A), (B), (C) (2) (C), (A), (B) (3) (B), (A), (C) (4) (B), (C), (A)
9. Two infinitely long straight parallel conductors carrying currents I
1
and I
2
are held at a distance d apart in
vacuum. The force F on a length L of one of the conductors due to the other is ________________.
Fill in the blank with the correct answer from the options given below.
(1) proportional to L but independent of I
1
? I
2
(2) proportional to I
1
? I
2
but independent of length L
(3) proportional to I
1
? I
2
? L (4) proportional to
?
1 2
L
II
322 E/A ( 4 )
SPACE FOR ROUGH WORK
10. In the circuit shown below, a current 3 I enters at A. The semicircular parts ABC and ADC have equal radii
'r' but resistances 2R and R respectively. The magnetic field at the center of the circular loop ABCD is
___________.
Fill in the blank with the correct answer from the options given below.
(1)
4r
I
0
µ
out of the plane (2)
4r
I
0
µ
into the plane
(3)
µ
0
3I
4r
out of the plane (4)
µ
0
3I
4r
into the plane
11. A square loop with each side 1 cm, carrying a current of 10 A, is placed in a magnetic field of 0.2 T. The
direction of magnetic field is parallel to the plane of the loop. The torque experienced by the loop is _____.
Fill in the blank with the correct answer from the options given below.
(1) zero (2) 2 ? 10
–4
Nm (3) 2 ? 10
–2
Nm (4) 2 Nm
12. In an ac circuit, the current leads the voltage by ?/2. The circuit is __________________.
Fill in the blank with the correct answer from the options given below.
(1) purely resistive (2) should have circuit elements with resistance equal to reactance.
(3) purely inductive (4) purely capacitive
13. In a pair of adjacent coils, for a change of current in one of the coils from 0 A to 10 A in 0.25 s, the
magnetic flux in the adjacent coil changes by 15 Wb. The mutual indutance of the coils is _____________.
Fill in the blank with the correct answer from the options given below.
(1) 120 H (2) 12 H (3) 1.5 H (4) 0.75 H
14. A wire of irregular shape in figure (a) and a circular loop of wire in figure (b) are placed in different
uniform magnetic fields as shown in the figures below. In figure (a), the magnetic field is perpendicular
into the plane. In figure (b) , the magnetic field is perpendicular out of the plane.
(a) (b)
The wire in figure (a) is turning into a circular loop and that in figure (b) into a narrow straight wire. The
direction of induced current will be ________________.
Fill in the blank with the correct answer from the options given below.
(1) clockwise in both (a) and (b) (2) anticlockwise in both (a) and (b)
(3) clockwise in (a) and anticlockwise in (b) (4) anticlockwise in (a) and clockwise in (b)
Page 5
A
Test Booklet No. Test Booklet Code
(Do not open this Test Booklet until you are asked to do so)
Time Allowed : 60 minutes Maximum Marks : 200 Total Questions : 50 Number of questions to be answered : 40
Kindly read the Instructions given on this Page and Back Page carefully before attempting this Question Paper.
Important Instructions for the Candidates :
1. This Test Booklet contains 50 questions printed in English. Out of these, the candidate is required to answer
any 40 questions. If a candidate answers more than 40 questions, the first 40 answered questions will be
considered for evaluation.
2. The OMR Answer Sheet is inside this Test Booklet. When you are directed to open the Test Booklet, take
out the OMR Answer Sheet and fill in your particulars carefully with blue/black ball point pen only.
3. Use only Blue/Black Ball Point Pen for marking responses.
4. The CODE for this Test Booklet is A. Make sure that the CODE printed on the OMR Answer Sheet is the
same as that on this Test Booklet. Also ensure that your Test Booklet No. and OMR Answer Sheet No. are
exactly the same. In case of discrepancy, the candidate should immediately report the matter to the
Invigilator for replacement of both the Test Booklet and the OMR Answer Sheet. No claim in this regard
will be entertained after five minutes from the start of the examination.
5. Before attempting the question paper kindly check that this Test Booklet has total 16 pages and OMR
Answer Sheet consists of one sheet. At the start of the examination within the first five minutes, candidates
are advised to ensure that all pages of Test Booklet and OMR Answer Sheet are properly printed and they
are not damaged in any manner.
6. Each question has four answer options. Out of these four options choose the MOST APPROPRIATE
OPTION and darken/blacken the corresponding circle on the OMR Answer Sheet with a Blue/Black Ball
Point Pen.
7. Five (5) marks will be given for each correct answer. One (1) mark will be deducted for each incorrect
answer. If more than one circle is found darkened/blackened for a question, then it will be considered as an
incorrect answer. Unanswered questions will be given no mark.
Name of the Candidate (in Capital Letters) : ___________________________________________________________________
Application Number (in figures) : ______________________________________________________________________________
Roll Number (in figures) : ___________________________________________________________________________________
Centre of Examination (in Capital Letters) : ___________________________________________________________________
Candidate’s Signature : ____________________________ Invigilator’s Signature : ___________________________________
Facsimile signature stamp of Centre Superintendent : __________________________________________________________
Subject : PHYSICS
Code : 322 E
Medium : English
322 E/A ( 2 )
SPACE FOR ROUGH WORK
1. Two charged particles, placed at a distance d apart in vacuum, exert a force F on each other. Now, each of
the charges is doubled. To keep the force unchanged, the distance between the charges should be changed
to __________.
Fill in the blank with the correct answer from the options given below.
(1) 4d (2) 2d (3) d (4) d/2
2. Two parallel plate capacitors of capacitances 2 ?F and 3 ?F are joined in series and the combination is
connected to a battery of V volts. The values of potential across the two capacitors V
1
and V
2
and energy
stored in the two capacitors U
1
and U
2
respectively are related as _______________________.
Fill in the blank with the correct answer from the options given below.
(1)
2
1
V
V
=
2
1
U
U
=
2
3
(2)
2
1
V
V
=
2
1
U
U
=
3
2
(3)
2
1
V
V
=
2
3
and
2
1
U
U
=
3
2
(4)
2
1
V
V
=
3
2
and
2
1
U
U
=
2
3
3. Two large plane parallel sheets shown in the figure have equal but opposite surface charge densities + ?
and – ?. A point charge q placed at points P
1
, P
2
and P
3
experiences forces F
1
, F
2
and F
3
respectively.
Then
Choose the correct answer from the options given below.
(1)
?
1
F = 0,
?
2
F = 0,
?
3
F = 0 (2)
?
1
F = 0,
?
2
F ? 0,
?
3
F = 0
(3)
?
1
F ? 0,
?
2
F ? 0,
?
3
F ? 0 (4)
?
1
F = 0,
?
3
F ? 0,
?
2
F = 0
4. Two charged metallic spheres with radii R
1
and R
2
are brought in contact and then separated. The ratio of
final charges Q
1
and Q
2
on the two spheres respectively will be ____________.
Fill in the blank with the correct answer from the options given below.
(1)
2
1
Q
Q
=
1
2
R
R
(2)
2
1
Q
Q
<
2
1
R
R
(3)
2
1
Q
Q
>
2
1
R
R
(4)
2
1
Q
Q
=
2
1
R
R
322 E/A ( 3 )
SPACE FOR ROUGH WORK
5. Two resistances of 100 ? and 200 ? are connected in series across a 20 V battery as shown in figure
below. The reading in a 200 ? voltmeter connected across the 200 ? resistance is ___________.
100 ? 200 ?
20 V
V
(200 ) ?
+ –
Fill in the blank with the correct answer from the options given below.
(1) 4 V (2)
20
3
V (3) 10 V (4) 16 V
6. The current through a 4/3 ? external resistance connected to a parallel combination of two cells of
2 V and 1 V emf and internal resistances of 1 ? and 2 ? respectively is ___________.
Fill in the blank with the correct answer from the options given below.
(1) 1 A (2) 2/3 A (3) 3/4 A (4) 5/6 A
7. A metallic wire of uniform area of cross section has a resistance R, resistivity ? and power rating P at V
volts. The wire is uniformly stretched to reduce the radius to half the original radius. The values
of resistance, resistivity and power rating at V volts are now denoted by R', ?' and P' respectively. The
corresponding values are correctly related as ________________.
Fill in the blank with the correct answer from the options given below.
(1) ?' = 2 ?, R' = 2R, P' = 2P (2) ?' = (1/2) ?, R' = (1/2) R, P' = (1/2) P
(3) ?' = ?, R' = 16R, P' = (1/16) P (4) ?' = ?, R' = (1/16) R, P' = 16P
8. Three magnetic materials are listed below
(A) paramagnetics (B) diamagnetics (C) ferromagnetics
Choose the correct order of the materials in increasing order of magnetic susceptibility.
(1) (A), (B), (C) (2) (C), (A), (B) (3) (B), (A), (C) (4) (B), (C), (A)
9. Two infinitely long straight parallel conductors carrying currents I
1
and I
2
are held at a distance d apart in
vacuum. The force F on a length L of one of the conductors due to the other is ________________.
Fill in the blank with the correct answer from the options given below.
(1) proportional to L but independent of I
1
? I
2
(2) proportional to I
1
? I
2
but independent of length L
(3) proportional to I
1
? I
2
? L (4) proportional to
?
1 2
L
II
322 E/A ( 4 )
SPACE FOR ROUGH WORK
10. In the circuit shown below, a current 3 I enters at A. The semicircular parts ABC and ADC have equal radii
'r' but resistances 2R and R respectively. The magnetic field at the center of the circular loop ABCD is
___________.
Fill in the blank with the correct answer from the options given below.
(1)
4r
I
0
µ
out of the plane (2)
4r
I
0
µ
into the plane
(3)
µ
0
3I
4r
out of the plane (4)
µ
0
3I
4r
into the plane
11. A square loop with each side 1 cm, carrying a current of 10 A, is placed in a magnetic field of 0.2 T. The
direction of magnetic field is parallel to the plane of the loop. The torque experienced by the loop is _____.
Fill in the blank with the correct answer from the options given below.
(1) zero (2) 2 ? 10
–4
Nm (3) 2 ? 10
–2
Nm (4) 2 Nm
12. In an ac circuit, the current leads the voltage by ?/2. The circuit is __________________.
Fill in the blank with the correct answer from the options given below.
(1) purely resistive (2) should have circuit elements with resistance equal to reactance.
(3) purely inductive (4) purely capacitive
13. In a pair of adjacent coils, for a change of current in one of the coils from 0 A to 10 A in 0.25 s, the
magnetic flux in the adjacent coil changes by 15 Wb. The mutual indutance of the coils is _____________.
Fill in the blank with the correct answer from the options given below.
(1) 120 H (2) 12 H (3) 1.5 H (4) 0.75 H
14. A wire of irregular shape in figure (a) and a circular loop of wire in figure (b) are placed in different
uniform magnetic fields as shown in the figures below. In figure (a), the magnetic field is perpendicular
into the plane. In figure (b) , the magnetic field is perpendicular out of the plane.
(a) (b)
The wire in figure (a) is turning into a circular loop and that in figure (b) into a narrow straight wire. The
direction of induced current will be ________________.
Fill in the blank with the correct answer from the options given below.
(1) clockwise in both (a) and (b) (2) anticlockwise in both (a) and (b)
(3) clockwise in (a) and anticlockwise in (b) (4) anticlockwise in (a) and clockwise in (b)
322 E/A ( 5 )
SPACE FOR ROUGH WORK
15. Match List-I has four graphs showing variation of opposition to flow of ac versus frequency with circuit
characteristic in List-II.
List-I
List-II
(A)
(I) Impedance
(B)
(II) Capacitive reactance
(C)
(III) Inductive reactance
(D)
(IV) Resistance
Choose the correct answer from the options given below.
(1) (A) - (I), (B) - (II), (C) - (III), (D) - (IV) (2) (A) - (IV), (B) - (III), (C) - (II), (D) - (I)
(3) (A) - (I), (B) - (II), (C) - (IV), (D) - (III) (4) (A) - (III), (B) - (IV), (C) - (I), (D) - (II)
16. In an electromagnetic wave, the ratio of energy densities of electric and magnetic fields is ____________.
Fill in the blank with the correct answer from the options given below.
(1) 1 : 1 (2) 1 : c (3) c : 1 (4) 1 : c
2
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