Electronics and Communication Engineering MCQ Questions with Answers - 2

Question: 6

Which of the following theorem is applicable to both linear and non linear networks?

(A) substitution theorem

(B) norton’s theorem

(C) superposition theorem

(D) thevenin’s theorem

Question: 7

When power factor angle is constant, then shape of the current locus is

(A) circle

(B) semicircle

(C) straight line

(D) triangle

Question: 8

In series, RLC circuit what is the power factor just bellow the resonance frequency?

(A) lagging

(B) leading

(C) zero

(D) unity

Question: 9

Millman’s theory yields equivalent

(A) voltage source

(B) voltage or current source

(C) impedance or resistance

(D) current source

Question: 10

The superposition theorem is used when the circuit contains

(A) a number of voltage sources

(B) active elements only

(C) a single voltage source

(D) passive elements only