A heater is rated at 1200 watts for a 120-volt source.
-The resistance of the heater is 10 ohms.

Name: A heater is rated at 1200 watts for a 120-volt source. -The resistance of the heater is 10 ohms.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The resistance can be calculated using the formula $ R = \frac{V^2}{P} $. For a 120-volt source and 1200 watts, the resistance is $ \frac{120^2}{1200} = 12 $ ohms, not 10 ohms.

A Heater Is Rated at 1200 Watts for a 120-Volt