Question Detail

PHY 102 Test Compilation PHY 102 26 Objective Question
Take CBT

Question

The apparent power developed in an R-L a.c. circuit is 30 VA. If the source is 36 V, 50 Hz and the resistor is 40 Ohm, determine the power factor of the circuit.
Options
A 0.90
B 0.93
Correct Answer
C 0.95
D 1.00
Correct Answer

Option B is the correct answer.

Detailed Explanation

I=S/V=0.833A. P=I2R=27.78W. PF=P/S=0.926.

Hint

I=S/V=0.833A.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 26
Type: Objective
Difficulty: Not specified
Question 1533 of 1819
Previous Course Details Next