An electric motor connected to a 120 V, 60.0 Hz ac outlet does mechanical work at the
Chapter 31, Problem 78(choose chapter or problem)
An electric motor connected to a 120 V, 60.0 Hz ac outlet does mechanical work at the rate of 0.100 hp (1 hp 746 W). (a) If the motor draws an rms current of 0.650 A, what is its effective resistance, relative to power transfer? (b) Is this the same as the resistance of the motors coils, as measured with an ohmmeter with the motor disconnected from the outlet?
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