A.c. Fundamentals, Circuits And Circuit Theory MCQs

Option A: inductance

Option B: capacitance

Option C: resistance

Option D: both A. and B.

Correct Answer: resistance ✔

Option A: parallel

Option B: series

Option C: either A. or (b)

Option D: none of the above

Correct Answer: parallel ✔

Option A: capacitance only

Option B: inductance only

Option C: resistance only

Option D: all above

Correct Answer: resistance only ✔

Option A: very near to inductive load

Option B: across the terminals of the inductive load

Option C: far away from the inductive load

Option D: any where

Correct Answer: across the terminals of the inductive load ✔

Option A: R/Z

Option B: cosine of phase angle difference be-tween current and voltage

Option C: kW/kVA

Option D: ratio of useful current to total cur¬rent Iw/I

Correct Answer: all of these ✔

Option A: minimum

Option B: maximum

Option C: zero

Option D: none of the above

Correct Answer: minimum ✔

Option A: both waves must have same frequency

Option B: both waves must have identical peak values

Option C: both waves must have zero value at the same time

Option D: none of the above

Correct Answer: both waves must have same frequency ✔

Option A: square wave

Option B: half wave rectified sine wave

Option C: triangular wave

Option D: sine wave

Correct Answer: square wave ✔

Option A: 180″

Option B: 90°

Option C: 60°

Option D: 0°

Correct Answer: 90° ✔

Option A: 127.4 V

Option B: 141.4 V

Option C: 282.8 V

Option D: 200V

Correct Answer: 141.4 V ✔

Option A: 20 Hz

Option B: 30 Hz

Option C: 40 Hz

Option D: 50 Hz

Correct Answer: 50 Hz ✔