Question Detail

PHY 102 Test Compilation PHY 102 25 Objective Question
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Question

A pressing iron is rated 240 V, 1200 W, 50 Hz. What is the peak current it draws from a mains supply of 240 V (rms)?
Options
A 1.24 A
B 2.23 A
C 5.20 A
D 7.07 A
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

Irms=P/V=5A. Ipeak=Irms x sqrt2=7.07A.

Hint

Irms=P/V=5A.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 25
Type: Objective
Difficulty: Not specified
Question 1492 of 1819
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