1000+ A.C. Fundamentals, Circuits and Circuit Theory MCQ Questions Pdf - 1

Question: 1

Capacitance reactance is more when

(A) capacitance is more and frequency of supply is more

(B) capacitance is more and frequency of supply is less

(C) capacitance is less and frequency of supply is more

(D) capacitance is less and frequency of supply is less

Question: 2

Power factor of the following circuit will be unity

(A) capacitance

(B) resistance

(C) inductance

(D) both a and b

Question: 3

Which of the following circuit component opposes the change in the circuit voltage?

(A) resistance

(B) conductance

(C) capacitance

(D) inductance

Question: 4

In A.C. circuits, laminated iron is in variably used in order to

(A) reduce circuit permeability

(B) reduce eddy current loss

(C) make assembly cheap and easier

(D) increase heat radiation

Question: 5

Which of the following waves has the highest value of peak factor?

(A) triangular wave

(B) half wave rectified sine wave

(C) sine wave

(D) square wave