A 5.5-kW water heater operates at 240 V. (a) Should the heater circuit have a 20-A or
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(a) Should the heater circuit have a 20-A or a 30-A circuit breaker? (A circuit breaker is a safety device that opens the circuit at its rated current.)
(b) Assuming efficiency, how long will the heater take to heat the water in a 55-gal tank from 20oC to 80oC?
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a I 23 A 20 A So it should have a b ...View the full answer
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