A small welding machine uses a voltage source of 120 V at 60 Hz. When the source

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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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College Physics

ISBN: 978-0321601834

7th edition

Authors: Jerry D. Wilson, Anthony J. Buffa, Bo Lou

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