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A steady current I flows along an infinitely long hallow cylindrical conductor of radius R. This cylinder is placed coaxially inside an infinite solenoid of radius 2R. The solenoid has n turns per unit length and carries a steady current i. Consider a point P at a distance R from the common axis. The correct statements is/are-
  • a)
    In the region 0 < r < R, the magnetic field is non-zero.
  • b)
    In the region R < r < 2 R, the magnetic field is along the common axis.
  • c)
    In the region R < r < 2R, the magnetic field is tangential to the circle of radius r, centered on the axis.
  • d)
    In the region r > 2R the magnetic field is non-zero.
Correct answer is option 'A,D'. Can you explain this answer?
Verified Answer
A steady current Iflows along an infinitely long hallow cylindrical co...

Conside that
P-Hollow cylindrical conductor 
Q - Solenoid
case - 1 → In the region , 0 < r < R 
Bp = 0
BQ ≠ 0, along the axis
Bnet ≠ 0
case-II⇒ln the region R < r < 2R
Bp ≠ 0, tangential to the circle of radius r, centered on the axis. 
BQ ≠ 0, along the axis
Bnet ≠ 0 neither in the directions mentioned in option(b) or (c) 
case - → In region r > 2R 
Bp ≠ 0
bQ ≠ 0
Bnet ≠ 0
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A steady current Iflows along an infinitely long hallow cylindrical conductor of radius R. This cylinder is placed coaxially inside an infinite solenoid of radius 2R. The solenoid has n turns per unit length and carries a steady current i. Consider a point P at a distance Rfrom the common axis. The correct statements is/are-a)In the region 0 < r < R, the magnetic field is non-zero.b)In the region R < r < 2 R, the magnetic field is along the common axis.c)In the region R < r < 2R, the magnetic field is tangential to the circle of radius r, centered on the axis.d)In the region r > 2R the magnetic field is non-zero.Correct answer is option 'A,D'. Can you explain this answer?
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A steady current Iflows along an infinitely long hallow cylindrical conductor of radius R. This cylinder is placed coaxially inside an infinite solenoid of radius 2R. The solenoid has n turns per unit length and carries a steady current i. Consider a point P at a distance Rfrom the common axis. The correct statements is/are-a)In the region 0 < r < R, the magnetic field is non-zero.b)In the region R < r < 2 R, the magnetic field is along the common axis.c)In the region R < r < 2R, the magnetic field is tangential to the circle of radius r, centered on the axis.d)In the region r > 2R the magnetic field is non-zero.Correct answer is option 'A,D'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about A steady current Iflows along an infinitely long hallow cylindrical conductor of radius R. This cylinder is placed coaxially inside an infinite solenoid of radius 2R. The solenoid has n turns per unit length and carries a steady current i. Consider a point P at a distance Rfrom the common axis. The correct statements is/are-a)In the region 0 < r < R, the magnetic field is non-zero.b)In the region R < r < 2 R, the magnetic field is along the common axis.c)In the region R < r < 2R, the magnetic field is tangential to the circle of radius r, centered on the axis.d)In the region r > 2R the magnetic field is non-zero.Correct answer is option 'A,D'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A steady current Iflows along an infinitely long hallow cylindrical conductor of radius R. This cylinder is placed coaxially inside an infinite solenoid of radius 2R. The solenoid has n turns per unit length and carries a steady current i. Consider a point P at a distance Rfrom the common axis. The correct statements is/are-a)In the region 0 < r < R, the magnetic field is non-zero.b)In the region R < r < 2 R, the magnetic field is along the common axis.c)In the region R < r < 2R, the magnetic field is tangential to the circle of radius r, centered on the axis.d)In the region r > 2R the magnetic field is non-zero.Correct answer is option 'A,D'. Can you explain this answer?.
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