Determine what is the ac machine efficiency

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A drilling machine is driven by a single-phase induction motor connected to a 110-V rms supply. Suppose that the machining operation requires 1 kW, that the tool machine ihas 90 percent efficiency, and that the supply current is 14 A rms with a power factor of 0.8. Find the AC machine efficiency.

Reference no: EM13270399

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