A certain kind of lightbulb carries 0.5 amperes of current when connected to a 120 volt AC circuit. What is its power rating?
A) 240 W
B) 100 W
C) 75 W
D) 60 W

Question

Quizplus · Accepted Answer

The power rating of the lightbulb can be computed using the formula:
Power (P) = Current (I) x Voltage (V)
P = 0.5 A x 120 V
P = 60 W
Therefore, the power rating of the lightbulb is 60 W, which is option D.

A Certain Kind of Lightbulb Carries 0