What is the maximum number of 60-W light bulbs you can connect in parallel in a 120-V home circuit without tripping the 30-A circuit breaker?
A)11
B)35
C)59
D)3 600

Question

Quizplus · Accepted Answer

The total current for bulbs in parallel is the sum of individual currents. Each 60-W bulb draws 0.5 A (60 W / 120 V). A 30-A breaker can handle 30 A / 0.5 A per bulb = 60 bulbs, but to avoid tripping, 59 bulbs is the maximum safe number.

What Is the Maximum Number of 60-W Light Bulbs You