1000+ A.C. Fundamentals, Circuits and Circuit Theory MCQ Questions Pdf - 2

Question: 6

The purpose of a parallel circuit resonance is to magnify

(A) frequency

(B) power

(C) voltage

(D) current

Question: 7

Inductance of coil

(A) becomes zero with the increase in supply frequency

(B) increases with the increase in supply frequency

(C) decreases with the increase in supply frequency

(D) is unaffected by the supply frequency

Question: 8

The power is measured in terms of decibles in case of

(A) auto transformers

(B) current transformers

(C) electronic equipment

(D) transformers

Question: 9

Which of the following coil will have large resonant frequency?

(A) a coil with low distributed capacitance

(B) a coil with low resistance

(C) a coil with large distributed capacitance

(D) a coil with large resistance

Question: 10

The voltage of domestic supply is 220 V. This figure represents

(A) average value

(B) peak value

(C) r.m.s. value

(D) mean value