Question Detail

PHY 102 Test Compilation PHY 102 26 Objective Question

Question

A 120-V power line is protected by a 15-A fuse. What is the maximum number of "120 V, 500 W" light bulbs that can be operated at full brightness from this line?
Options
A 1
B 2
C 3
Correct Answer
D 4
Correct Answer

Option C is the correct answer.

Detailed Explanation

Each bulb draws 500/120=4.167A. 15/4.167=3.6, so max 3 bulbs.

Hint

Each bulb draws 500/120=4.167A.

Question Info