The mid-band voltage gain of the amplifier is approximately  In  the  following circuit,  the comparator output  is  logic "1"  if V1 > V2 and  is  logic "0" otherwise.The D/A conversion is done as per the relation volts where b3(MSB),B2,b1 and b0(LSB) are the counter outputs.The counter starts from the clear state

1.  -180

2.  -120

3.  -90

4.  -60

View Answer  
4
Correct Answer :

-90


Explanation :
No Explanation available for this question

The h-parameter matrix for this network is In  the  following network,  the switch  is closed at  t = 0- and  the sampling starts  from  t = 0.The sampling frequency is 10 Hz.

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

If E denotes expectation, the variance of a random variable X is given by

1.  E[X2] - E2[X]

2.  E[X2] + E2[X]

3.  E[X2]

4.  E2[X]

View Answer  
4
Correct Answer :

E[X2] - E2[X]


Explanation :
No Explanation available for this question

1.  1.0

2.  2.5

3.  4.0

4.  5.0

View Answer  
4
Correct Answer :

2.5


Explanation :
No Explanation available for this question

For | x |

1.  x

2.  x2

3.  1/x

4.  1/x2

View Answer  
4
Correct Answer :

1/x


Explanation :
No Explanation available for this question

1.  0.5

2.  1

3.  2

4.  not defined

View Answer  
4
Correct Answer :

0.5


Explanation :
No Explanation available for this question

Which one of the following function is strictly bounded

1.  1/x2

2.  ex

3.  x2

4.  e-x2

View Answer  
4
Correct Answer :

e-x2


Explanation :
No Explanation available for this question

For the function e-x, the linear approximation around x = 2 is

1.  (3 - x)e-2

2.  1 - x

3.  [3 + 2√2 - (1 + √2)x]e-2

4.  e-2

View Answer  
4
Correct Answer :

(3 - x)e-2


Explanation :
No Explanation available for this question

An  independent  voltage  source  in  series  with  an  impedance  ZS  =  RS  +  jXS  delivers  a maximum average power to a load impedance ZL when

1.  ZL = RS + jXS

2.  ZL = RS

3.  ZL = jXS

4.  ZL = RS - jXS

View Answer  
4
Correct Answer :

ZL = RS - jXS


Explanation :
No Explanation available for this question

The RC circuit shown in the figure is

1.  a low-pass filter

2.  a high-pass filter

3.  a band-pass filter

4.  a band-reject filter

View Answer  
4
Correct Answer :

a band-pass filter


Explanation :
No Explanation available for this question
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