# The highest modulation frequency typically used in FM broadcast is

1.  5 KHz

2.  10 KHz

3.  15 KHz

4.  25 KHz

4

5 KHz

Explanation :
No Explanation available for this question

# 4 volt peak audio modulating signal changes the carrier frequency from 200 KHz to 210 KHz. The frequency deviation is

1.  5 KHz

2.  10 KHz

3.  15 KHz

4.  20 KHz

4

10 KHz

Explanation :
No Explanation available for this question

# A communication channel disturbed by additive white Gaussian noise has a bandwidth of 4 KHz and SNR of 15. The highest transmission rat that such a channel can support (in K-nits/sec) is

1.  16

2.  1.6

3.  32

4.  60

4

16

Explanation :
No Explanation available for this question

# A discrete zero memory information source has 40 symbols is equally likely. The minimum number of bits required to code the source with uniform length code and the entropy of the souce are respectively

1.  5, 5.03

2.  6, 5.83

3.  5, 6.64

4.  6, 5.32

4

6, 5.32

Explanation :
No Explanation available for this question

# The magnitude frequency response of a control system is shown in the figure. The value of 1 and 2 are respectively

1.   10 and 200

2.  20 and 200

3.  20 and 400

4.  100 and 400

4

20 and 400

Explanation :
No Explanation available for this question

# Information capacity (bits/sec) of a channel with bandwidth W and transmission time T is given by

1.   C α Wt

2.  C = W/T

3.  C = T/W

4.   6, 5.32

4

6, 5.32

Explanation :
No Explanation available for this question

# Data can be changed from spatial code to temporal code and vice-versa by using

2.  shift registers

3.  synchronous counters

4.  timers

4

Explanation :
No Explanation available for this question

# If each stage had a gain of 10 dB, and noise figure of 10 dB, then the overall noise figure of a two-stage cascade amplifier will be

1.  10

2.   1.09

3.  1.0

4.  10.9

4

10.9

Explanation :
No Explanation available for this question

# A linear second-order system with the transfer function is initially at rest and is subject to a step input signal. The response of the system will exhibit a peak overschool of

1.   16%

2.  9%

3.   2%

4.   Zero

4

2\%

Explanation :
No Explanation available for this question

1.  1,2 and 3

2.   1, 3 and 4

3.  2, 3 and 4

4.  1, 2 and 4

4