An impedance coil having a resistance of 25 ohms and an inductance of 20mH is connected in parallel with a variable capacitor. (a) For what value of C will the circuit be resonant if 90V 400cycle source is applied? (b) What will be the line current under this condition

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 6RQ: A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating...
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An impedance coil having a resistance of 25 ohms and an inductance of 20mH is connected in parallel with a variable capacitor. (a) For what value of C will the circuit be resonant if 90V 400cycle source is applied? (b) What will be the line current under this condition?

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