# The phase angle of the current “I” with respect to the voltage V1 in the circuit shown in the figure is

1.  00

2.  + 450

3.  – 450

4.  – 900

4

– 900

Explanation :
No Explanation available for this question

# The transfer function C(s)/ R(s) of the system, whose block diagram is given below is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# The I. C. amplifier shown in the figure has an input voltage Vi = 0.1 cos (2π × 100t) volts. The waveform of the output voltage V0 is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# If the feedback system shown in the given figure, the noise component of output is given by (assume high loop gain at frequency of interest)

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# Three different circuits for biasing junction transistor amplifiers are given below The correct decreasing order of preference of these circuits from the point of view of bias stabilization is

1.  I, II, III

2.  III, II, I

3.  II, III, I

4.  I, III, II

4

II, III, I

Explanation :
No Explanation available for this question

# The system shown in the figure has a unit step input in order that the steady error is 10%. The value of K is

1.   0.1

2.   0.9

3.   1.0

4.  9.0

4

9.0

Explanation :
No Explanation available for this question

# The characteristic equation of a closed loop control system is given by s2+9s+16=0. The resonant frequency in radians/sec of the system is

1.  2

2.   2√3

3.  4

4.  4√3

4

4

Explanation :
No Explanation available for this question

# The system show in the figure has second-order response with a damping ratio at 0.6 and a frequency of damped oscillations at 10 rad/s. The value of K1 and K2 are respectively

1.  12.5 and 15

2.  156.25 and 15

3.   156.25 and 14

4.  12.5 and 14

4

156.25 and 14

Explanation :
No Explanation available for this question

# The maximum phase shift that can be obtained by using a lead compensator with transfer function is equal to

1.  15°

2.   80°

3.  45°

4.   60°

4

80°

Explanation :
No Explanation available for this question

1.

2.

3.

4.

4