The resistance of a 50 watt bulb is ______ that of a 100 watt bulb, if both run on the same voltage.
A) one half
B) one fourth
C) four times
D) double

Name: The resistance of a 50 watt bulb is ______ that of a 100 watt bulb, if both run on the same voltage. A) one half B) one fourth C) four times D) double
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Question

Quizplus · Accepted Answer

Power (P) = V^2/RFor the same voltage (V), power is inversely proportional to resistance (R).Therefore, the resistance of a 50 watt bulb is double that of a 100 watt bulb.

The Resistance of a 50 Watt Bulb Is ______ That