Question Detail

PHY 102 Last Minute Prep Objective Question
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Question

The equation of a sinusoidal voltage is V = 320 sin ωt. Calculate the r.m.s. value at t = 15s
Options
A 100.5V
B 165.0V
C 226.3V
Correct Answer
D 285.7V
Correct Answer

Option C is the correct answer.

Detailed Explanation

V_rms = V_peak/√2 = 320/1.414 = 226.3V. RMS value is independent of time.

Hint

RMS value is independent of time.

Question Info

Course: PHY 102
Topic: Last Minute Prep
Type: Objective
Difficulty: Not specified
Question 1758 of 1819
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