# For an energy signal g(t) and its time-shifted version f(t-τ), the

1.  amplitude spectra are identical and their phase spectra are also identical

2.  amplitude spectra are identical and but their phase spectra are different

3.  amplitude spectra are different but their phase spectra are identical

4.  amplitude spectra are different and their phase spectra are also different

4

amplitude spectra are identical and but their phase spectra are different

Explanation :
No Explanation available for this question

# For the system shown, the transfer function C(s)/R(s) is equal to

1.

2.

3.

4.

4 Explanation :
No Explanation available for this question

# The circuit given in the figure is to be used to implement the function Z = f(A1B) =  + B. What values should be selected for I and J

1.  I = 0  J = B

2.  I = 1  J = B

3.  I = B  J = 1

4.  I =    J = 0

4

I = 1  J = B

Explanation :
No Explanation available for this question

# Given the logical function of four variables f(A, B, C, D) =  The function as a sum of product will be

1.

2.

3.

4.

4 Explanation :
No Explanation available for this question

# Consider following gate network Which one of the following gates is redundant

1.  Gate No.1

2.  Gate No.2

3.  Gate No.3

4.  Gate No.4

4

Gate No.2

Explanation :
No Explanation available for this question

# Which one of the following is the Fourier transform of the signal given in the figure B if the Fourier transform of the signal in figure A is given by

1.

2.

3.

4.

4 Explanation :
No Explanation available for this question

# The combinational logic circuit shown in the given figure has an output Q which is

1.  A B C

2.  A + B + C

3.

4.

4

A + B + C

Explanation :
No Explanation available for this question

# A second order differential equation is given by frequency and damping ratio respectively are

1.  1, 5

2.   5, 7

3.  1, √7

5.  48 paise

6.  54 paise

7.  56 paise

8.  72 paise

8

48 paise

Explanation :
No Explanation available for this question

# The RMS thermal noise voltages of three resistors individually are E1, E2 and E3. If these resistors are connected in series, the total noise voltage is given by

1.  E1 + E2 + E3

2.

3.

4.

4

E1 + E2 + E3

Explanation :
No Explanation available for this question

1.   –(9/5)

2.  – (6/5)

3.  6/5

4.  9/5

4