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Asked Mar 1, 2020
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What minimum number of 150 W lightbulbs must be connected in parallel to a single 150 V household circuit to trip a 20.0 A circuit breaker?

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Expert Answer

Total resistance of a bulb from the power rating.

Physics homework question answer, step 1, image 1

Resistance of circuit breaker.

Physics homework question answer, step 2, image 1

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