# The transfer function of system is The phase shift at ω= 0 and ω= ∞ will be

1.   90° and 00

2.   -180° and 180°

3.  -90° and 70°

4.  None of these

5.  648

6.  1800

7.  2700

8.  10800

8

1800

Explanation :
No Explanation available for this question

# In a half-adder having two inputs A and B and two output (S and C are the sum and carry output bits respectively) the Boolean expression for S and C in terms of A and B is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# In a ratio receiver used in AM receiver, the mixer translates the carrier frequency fc to IF of 455 KHz by using a local oscillator of frequency f∠0. The board cast frequency range from 540 to 1600 KHz. The what will be the range of tuning when fLO>fc.

1.  995-2055 KHz

2.  85-1145 KHz

3.  445-1600 KHz

4.  none of these

4

995-2055 KHz

Explanation :
No Explanation available for this question

# A sinusoid ally modulated ordinary AM waveform is shown below. What will be the amplitude of the carrier which must be added to attain a modulation index of 0.1

1.  17.5 volts

2.   5 volts

3.  10 volts

4.   15 volts

4

17.5 volts

Explanation :
No Explanation available for this question

# A combinational circuit has inputs A, B and c and Karnaugh Map is as shown. The output of the circuit is given by

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

1.   low-pass system

2.  high-pass system

3.  all-pass system

4.  None of the above

4

high-pass system

Explanation :
No Explanation available for this question

# The output Qn of a J-K flip-flop is zero. It change to 1 when a clock pulse is applied. The input Jn and Kn are respectively

1.  1 and X

2.  0 and X

3.  X and 0

4.  X and 1

4

1 and X

Explanation :
No Explanation available for this question

# A power signal x(t) having PSD a constant K is applied to a low pass RC filter. Then what will be the mean square value of the output.

1.  K/RC

2.  K/2RC

3.  KRC

4.  None of these

4

KRC

Explanation :
No Explanation available for this question

# Output rate control is used to improve the damping of the system given below. If the closed–loop system has to have a damping factor of 0.5, the value of k0 will be

1.  4

2.  19

3.  ¼

4.  6

4

19

Explanation :
No Explanation available for this question

# To realize the given truth table from the circuit shown in the figure, the input to J in terms of A and B would have to be Truth table A B an+1 J 0 0 1 1 0 1 0 1 an 1 an 0 0 1 0 X

1.

2.

3.  B

4.  AB

4

Explanation :
No Explanation available for this question

## Interview Questions

 MongoDB Java Script Node JS PHP JQuery Python