Practice Test: Electronics Engineering (ECE)- 6

Question 1

Question 1 to 5 carry One Mark each

Q.

According to the weather______it is going to be cloudly today

Accepted Answer

forecast

Answer

announcement

Answer

indication

Answer

predication

Question 2

What is the unit digit in

Accepted Answer

13

Answer

3

Answer

4

Answer

None of these

Question 3

In the following questions, a sentence has been given in direct/indirect speech.
She said, “Let them play”.

Accepted Answer

She advised that they should be allowed to play

Answer

She advised that we should be allowed to play

Answer

She advised that you should be allowed to play

Answer

She advised that they would be allowed to play

Question 4

Select the pair that best express a relationship similar to the one expressed in the question pair:

Ostrich : Bird

Accepted Answer

Bud : Leaf

Answer

Caterpillar : Moth

Answer

Lizard : Frog

Answer

Tiger : Cat

Question 5

A and B together can do a piece of work in 12 days, which B and C together can do in 16 days. After A has
been working it for 5 days and B for 7 days, C finishes it in 13 days. In how many days C alone will do the
work?

Accepted Answer

24

Answer

16

Answer

36

Answer

48

Question 6

Question 6 to 10 carry Two Marks each

Q.

The sufficient condition for matrix ‘A’ to be diagonalizable is

Accepted Answer

LI eigen vector = R (A)

Answer

LI eigen vector < R (A)

Answer

LI eigen vector > R (A)

Answer

None of these

Question 7

If x = y^a , y = z^b and z = x^c then abc = ?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 8

Out of the four alternatives suggested select the one which is correct

Accepted Answer

Very seldom a movie has held my at tention like this one

Answer

Very seldom a movie can hold my attention like this one

Answer

Very seldom can a movie hold my attention like this one

Answer

Very seldom a movie has hold my attention like this one

Question 9

The value of X in the following figure is

Accepted Answer

3

Answer

4

Answer

8

Answer

12

Question 10

The piechart shows the distribution of New York market share by volume of different computer companies
in 2005.

Number of units sold in 2005 in New York = 1,500
Value of units sold in 2005 in New York = US$ 16,50,000

For the year 2005, which company has realised the lowest average unit sales price for a PC ?

Accepted Answer

Cannot be determined

Answer

Commodore

Answer

IBM

Answer

Tandy

Question 11

Question 11 to 35 carry One Mark each

Q.

Value of a is ____________

Accepted Answer

Question 12

iⁱis of the form, where (i= sqrt {-1})

Accepted Answer

Purely real

Answer

Purely imaginary

Answer

Imaginary with non-zero real part

Answer

Can not be determined

Question 13

6 boys and 6 girls sit in a row randomly. The probability that all the six girls sit together is in the form 1/a. Value of a is ______________.

Accepted Answer

Question 14

The value of current I₁ is

____________________

Accepted Answer

Question 15

For a unity feedback system whose open - loop transfer function is the velocity error is _________________

Accepted Answer

Question 16

First derivative of th e signal x(t ) will be

Accepted Answer

2&delta;(t )

Answer

&delta;(t )

Answer

u'(t ) – 1

Answer

None of these

Question 17

Which unit is adopted for magnit ude measurement in Bode plot s.

Accepted Answer

Decibel

Answer

Degree

Answer

Decimal

Answer

Deviation

Question 18

Aliasing occurs when sampling frequency ω_s where ω_m is message frequency?

Accepted Answer

Answer

Answer

Answer

Question 19

Laplace transform analysis helps in

Accepted Answer

All of above

Answer

Solving integral different ial equations

Answer

Converts differential equation in to algebraic equation

Answer

Convert integral equation in the algebraic equation

Question 20

Which one is not an advant age of SSB over AM

Accepted Answer

Wider area of reception

Answer

Power saving

Answer

Require half the BW

Answer

Better fidelity

Question 21

Flash ADC is

Accepted Answer

Parallel ADC

Answer

Serial ADC

Answer

Serial-Parallel ADC

Answer

Successive approximation ADC

Question 22

In the common base stage of figure. I_CQ = 1mA and β = 7.5 T he input Resistance is

Accepted Answer

45 <img src="https://cn.edurev.in/ApplicationImages/Temp/467414_59705691-876b-4e87-b776-fd213384f744_lg.PNG" />

Answer

45 k<img src="https://cn.edurev.in/ApplicationImages/Temp/467414_59705691-876b-4e87-b776-fd213384f744_lg.PNG" />

Answer

90 k<img src="https://cn.edurev.in/ApplicationImages/Temp/467414_59705691-876b-4e87-b776-fd213384f744_lg.PNG" />

Answer

90<img src="https://cn.edurev.in/ApplicationImages/Temp/467414_59705691-876b-4e87-b776-fd213384f744_lg.PNG" />

Question 23

Magnetic field component of a plane wav e in a lossless dielectric is given as

wave is po larized in

Accepted Answer

Answer

Answer

Answer

Question 24

A 20 MHz uniform plane wave propagate in lossy dielectric medium which amplit ude is reduced by 20%
aft er every meter traveled. Attenuation constant (Np/m) will be ______________

Accepted Answer

Question 25

The figure shows a dependent current source.It

Accepted Answer

delivers 100W

Answer

absorbs 80W

Answer

delivers 80W

Answer

absorbs 100W

Question 26

The Laplace transformation of e^at cosh(bt) is

Accepted Answer

Answer

Answer

Answer

Question 27

The power factor for the circuit shown is

Accepted Answer

0.809 lagging

Answer

0.709 leading

Answer

0.809 leading

Answer

0.709 lagging

Question 28

Consider the transistor circuit shown below

The average power dissipated for one cycle of operation is given by

Accepted Answer

0.6 mW

Answer

0.3 mW

Answer

0.9 mW

Answer

1.2 mW

Question 29

Common Data Questi on s 29 to 30

Q.

Two amplifiers A and B are to be connectd in cascade. Find out the order in which the amplifiers must be connected to minimise the noise. Amplifiers A has noise factor of 1.5, gain of 10 dB and amplifier B has noise figure 2 dB, gain of 15 dB.

Accepted Answer

A should be follower of B

Answer

B should be follower of A

Answer

No problem whichever the follower

Answer

None

Question 30

Determine the equivalent noise temperat ure of bot h the amplifiers assuming the reference temperature of
20°C and compare with that of cascaded amlifier.

Accepted Answer

296 K

Answer

293 K

Answer

196 K

Answer

294 K

GATE ECE (Electronics) Practice Test: Electronics Engineering (ECE)- 6

MCQ Practice Test & Solutions: Practice Test: Electronics Engineering (ECE)- 6 (65 Questions)

Question 1 to 5 carry One Mark each
Q.
According to the weather______it is going to be cloudly today

What is the unit digit in

In the following questions, a sentence has been given in direct/indirect speech.
She said, “Let them play”.

Select the pair that best express a relationship similar to the one expressed in the question pair:
Ostrich : Bird

A and B together can do a piece of work in 12 days, which B and C together can do in 16 days. After A has
been working it for 5 days and B for 7 days, C finishes it in 13 days. In how many days C alone will do the
work?

Question 6 to 10 carry Two Marks each
Q.
The sufficient condition for matrix ‘A’ to be diagonalizable is

If x = y^a , y = z^b and z = x^c then abc = ?

Out of the four alternatives suggested select the one which is correct

The value of X in the following figure is

Question 11 to 35 carry One Mark each
Q.
Value of a is ____________

iⁱis of the form, where (i= sqrt {-1})

6 boys and 6 girls sit in a row randomly. The probability that all the six girls sit together is in the form 1/a. Value of a is ______________.

The value of current I₁ is
____________________

For a unity feedback system whose open - loop transfer function is the velocity error is _________________

First derivative of th e signal x(t ) will be

Which unit is adopted for magnit ude measurement in Bode plot s.

Aliasing occurs when sampling frequency ω_s where ω_m is message frequency?

Laplace transform analysis helps in

Which one is not an advant age of SSB over AM

Flash ADC is

In the common base stage of figure. I_CQ = 1mA and β = 7.5 T he input Resistance is

Magnetic field component of a plane wav e in a lossless dielectric is given as

wave is po larized in

A 20 MHz uniform plane wave propagate in lossy dielectric medium which amplit ude is reduced by 20%
aft er every meter traveled. Attenuation constant (Np/m) will be ______________

The figure shows a dependent current source.It

The Laplace transformation of e^at cosh(bt) is

The power factor for the circuit shown is

Consider the transistor circuit shown below
The average power dissipated for one cycle of operation is given by

Common Data Questi on s 29 to 30
Q.
Two amplifiers A and B are to be connectd in cascade. Find out the order in which the amplifiers must be connected to minimise the noise. Amplifiers A has noise factor of 1.5, gain of 10 dB and amplifier B has noise figure 2 dB, gain of 15 dB.

Determine the equivalent noise temperat ure of bot h the amplifiers assuming the reference temperature of
20°C and compare with that of cascaded amlifier.

GATE ECE (Electronics) Mock Test Series 2027

GATE ECE (Electronics) Mock Test Series 2027

Top Courses for Electronics and Communication Engineering (ECE)

About this Electronics and Communication Engineering (ECE) Practice Test

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GATE ECE (Electronics) Practice Test: Electronics Engineering (ECE)- 6

MCQ Practice Test & Solutions: Practice Test: Electronics Engineering (ECE)- 6 (65 Questions)

Question 1 to 5 carry One Mark eachQ.According to the weather______it is going to be cloudly today

What is the unit digit in

In the following questions, a sentence has been given in direct/indirect speech. She said, “Let them play”.

Select the pair that best express a relationship similar to the one expressed in the question pair:Ostrich : Bird

A and B together can do a piece of work in 12 days, which B and C together can do in 16 days. After A has been working it for 5 days and B for 7 days, C finishes it in 13 days. In how many days C alone will do the work?

Question 6 to 10 carry Two Marks eachQ.The sufficient condition for matrix ‘A’ to be diagonalizable is

If x = ya , y = zb and z = xc then abc = ?

Out of the four alternatives suggested select the one which is correct

The value of X in the following figure is

Question 11 to 35 carry One Mark eachQ. Value of a is ____________

ii is of the form, where (i= sqrt {-1})

6 boys and 6 girls sit in a row randomly. The probability that all the six girls sit together is in the form 1/a. Value of a is ______________.

The value of current I1 is____________________

For a unity feedback system whose open - loop transfer function is the velocity error is _________________

First derivative of th e signal x(t ) will be

Which unit is adopted for magnit ude measurement in Bode plot s.

Aliasing occurs when sampling frequency ωs where ωm is message frequency?

Laplace transform analysis helps in

Which one is not an advant age of SSB over AM

Flash ADC is

In the common base stage of figure. ICQ = 1mA and β = 7.5 T he input Resistance is

Magnetic field component of a plane wav e in a lossless dielectric is given as wave is po larized in

A 20 MHz uniform plane wave propagate in lossy dielectric medium which amplit ude is reduced by 20% aft er every meter traveled. Attenuation constant (Np/m) will be ______________

The figure shows a dependent current source.It

The Laplace transformation of eat cosh(bt) is

The power factor for the circuit shown is

Consider the transistor circuit shown belowThe average power dissipated for one cycle of operation is given by

Common Data Questi on s 29 to 30Q.Two amplifiers A and B are to be connectd in cascade. Find out the order in which the amplifiers must be connected to minimise the noise. Amplifiers A has noise factor of 1.5, gain of 10 dB and amplifier B has noise figure 2 dB, gain of 15 dB.

Determine the equivalent noise temperat ure of bot h the amplifiers assuming the reference temperature of 20°C and compare with that of cascaded amlifier.

GATE ECE (Electronics) Mock Test Series 2027

GATE ECE (Electronics) Mock Test Series 2027

Top Courses for Electronics and Communication Engineering (ECE)

About this Electronics and Communication Engineering (ECE) Practice Test

Explore more Electronics and Communication Engineering (ECE) Study Resources

Question 1 to 5 carry One Mark each
Q.
According to the weather______it is going to be cloudly today

In the following questions, a sentence has been given in direct/indirect speech.
She said, “Let them play”.

Select the pair that best express a relationship similar to the one expressed in the question pair:
Ostrich : Bird

A and B together can do a piece of work in 12 days, which B and C together can do in 16 days. After A has
been working it for 5 days and B for 7 days, C finishes it in 13 days. In how many days C alone will do the
work?

Question 6 to 10 carry Two Marks each
Q.
The sufficient condition for matrix ‘A’ to be diagonalizable is

If x = y^a , y = z^b and z = x^c then abc = ?

Question 11 to 35 carry One Mark each
Q.
Value of a is ____________

iⁱis of the form, where (i= sqrt {-1})

The value of current I₁ is
____________________

Aliasing occurs when sampling frequency ω_s where ω_m is message frequency?

In the common base stage of figure. I_CQ = 1mA and β = 7.5 T he input Resistance is

Magnetic field component of a plane wav e in a lossless dielectric is given as

wave is po larized in

A 20 MHz uniform plane wave propagate in lossy dielectric medium which amplit ude is reduced by 20%
aft er every meter traveled. Attenuation constant (Np/m) will be ______________

The Laplace transformation of e^at cosh(bt) is

Consider the transistor circuit shown below
The average power dissipated for one cycle of operation is given by

Common Data Questi on s 29 to 30
Q.
Two amplifiers A and B are to be connectd in cascade. Find out the order in which the amplifiers must be connected to minimise the noise. Amplifiers A has noise factor of 1.5, gain of 10 dB and amplifier B has noise figure 2 dB, gain of 15 dB.

Determine the equivalent noise temperat ure of bot h the amplifiers assuming the reference temperature of
20°C and compare with that of cascaded amlifier.