The log magnitude curve for a constant gain K is a

A)
horizontal straight line
B)
an inclined line having slope K
C)
an inclined line having slope -K
D)
horizontal straight line of magnitude 20 log K decibels

Correct Answer : Option (D) :   horizontal straight line of magnitude 20 log K decibels

Explanation :

The factor K in the numerator of G(jω) gives is straight line at 20 log10 K in Bode plot.

Recently Updated in Automatic Control Systems Questions
For a quadratic factor in denominator of transfer function the phase angle at corner frequency (in Bode phase angle plot)
A)
is +90°
B)
is -90°
C)
depends on the damping factor
D)
None of the above

Correct Answer :   is -90°

The response to sinusoidal excitation can be found by
A)
setting s = jω in the network function
B)
setting s = -jω in the network function
C)
taking inverse transform of network function
D)
None of the above

Correct Answer :   setting s = jω in the network function

The resolution of a wire wound potentiometer is about
A)
5%
B)
1%
C)
0.1%
D)
0.001%

Correct Answer :   0.1%

ECE MCQ's

Power Electronics
Digital Electronics
Analog Electronics
Microprocessors
Radio Receivers
Signals and Systems
Satellite Communication
Communication Systems
Microwave Communication
Automatic Control Systems
Materials and Components
More