A.C. Basics and Networks MCQ Questions & Answers - 1

Question: 1

If the supply frequency of a purely inductive circuit is doubled, the circuit current will be _____

Answer:

halved

Question: 2

The heat developed in an electric iron is attributed to _____ power.

Answer:

true

Question: 3

In delta connected generator, the sum of instantaneous voltage around the delta is equal to _____

Answer:

zero

Question: 4

The frequency, at which an R-L-C network behaves as a purely resistive network, is called the _____ frequency.

Answer:

resonant

Question: 5

An R-C coupling circuit is effectively a _____ filter for pulsating dc.

Answer:

high pass

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