A 120-v motor has mechanical power output of 320 hp it is, Ask an Expert

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A 120-V motor has mechanical power output of 3.20 hp. It is 91.0% efficient in converting power that it takes in by electrical transmission into mechanical power.

(a) Find the current in the motor.

(b) Find the energy delivered to the motor by electrical transmission in 3.40 h of operation.

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