A variable capacitor of net resistance of 50Ω is connected in series in a circuit with a coil in parallel. The entire circuit is supplied with 200 V, 50 Hz. The coil has an inductance of 0.2 H and negligible resistance. Then find (a) the capacitance of the capacitor (b) the current through the circuit when the power factor of the entire circuit is unity

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter21: Resistive-capacitive Series Circuits
Section: Chapter Questions
Problem 2PP: Assume that the voltage drop across the resistor, ER, is 78 V; the voltage drop across the...
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FA variable capacitor of net resistance of 50Ω  is connected in series in a circuit with a coil in parallel. The entire circuit is supplied with 200 V, 50 Hz. The coil has an inductance of 0.2 H and negligible resistance. Then find (a) the capacitance of the capacitor (b) the current through the circuit when the power factor of the entire circuit is unity

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