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Electrical Engineering

For making a capacitor, it is better to select a dielectric having

» Electromagnetics solved MCQs /
Question:

For making a capacitor, it is better to select a dielectric having

A.

low permittivity

B.

high permittivity

C.

permittivity same as that of air

D.

permittivity slightly more than that of air

Answer» b. high permittivity

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

For making a capacitor, it is better to select a dielectric having Read More »

» Electromagnetics solved MCQs

If the system is represented by G(s) H(s) = k (s+7) / s (s +3) (s + 2), what would be its magnitude at ω = ∞?

» Control System Engineering (CSE) solved MCQs /
Question:

If the system is represented by G(s) H(s) = k (s+7) / s (s +3) (s + 2), what would be its magnitude at ω = ∞?

A.

0

B.

∞ c) 7/10

C.

d) 21

Answer» a. 0

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

If the system is represented by G(s) H(s) = k (s+7) / s (s +3) (s + 2), what would be its magnitude at ω = ∞? Read More »

» Control System Engineering (CSE) solved MCQs

If the gain of the open loop system is doubled, the gain of the system is :

» Control System Engineering (CSE) solved MCQs /
Question:

If the gain of the open loop system is doubled, the gain of the system is :

A.

not affected

B.

doubled

C.

halved

D.

one fourth of the original value

Answer» a. not affected

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

If the gain of the open loop system is doubled, the gain of the system is : Read More »

» Control System Engineering (CSE) solved MCQs

In polar plots, what does each and every point represent w.r.t magnitude and angle?

» Control System Engineering (CSE) solved MCQs /
Question:

In polar plots, what does each and every point represent w.r.t magnitude and angle?

A.

scalar

B.

vector

C.

phasor

D.

differentiator

Answer» c. phasor

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

In polar plots, what does each and every point represent w.r.t magnitude and angle? Read More »

» Control System Engineering (CSE) solved MCQs

According to Nyquist stability criterion, where should be the position of all zeros of q(s) corresponding to s-plane?

» Control System Engineering (CSE) solved MCQs /
Question:

According to Nyquist stability criterion, where should be the position of all zeros of q(s) corresponding to s-plane?

A.

on left half

B.

at the center

C.

on right half

D.

random

Answer» a. on left half

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

According to Nyquist stability criterion, where should be the position of all zeros of q(s) corresponding to s-plane? Read More »

» Control System Engineering (CSE) solved MCQs

For a stable closed loop system, the gain at phase crossover frequency should always be:

» Control System Engineering (CSE) solved MCQs /
Question:

For a stable closed loop system, the gain at phase crossover frequency should always be:

A.

< 20 db

B.

< 6 db

C.

> 6 db

D.

> 0 db

Answer» d. > 0 db

Note: The above multiple-choice question is for all general and Competitive Exams in India. 

For a stable closed loop system, the gain at phase crossover frequency should always be: Read More »

» Control System Engineering (CSE) solved MCQs