20. A single 50-mH inductor is connected to an ac voltage source at 120 V...

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20. •• A single 50-mH inductor is connected to an ac voltage source at 120 V and 60 Hz.

(a) What is its inductive reactance?

(b) What is the current in this circuit?

(c) What is the phase angle between the current and applied voltage? (Assume negligible resistance.)

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