Question: A small welding machine uses a voltage source of 120 V at 60 Hz. When the source is operating, it requires 1200 W of power,

A small welding machine uses a voltage source of 120 V at 60 Hz. When the source is operating, it requires 1200 W of power, and the power factor is 0.75.
(a) What is the machine’s impedance?
(b) Find the rms current in the machine while operating.

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