Question: A circuit breaker trips when the rms current exceeds 20.0 A. How many 100.0-W light bulbs can run on this circuit without tripping the breaker?

A circuit breaker trips when the rms current exceeds 20.0 A. How many 100.0-W light bulbs can run on this circuit without tripping the breaker? (The voltage is 120 V rms.)

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