A 200V, 50 Hz sinusoidal supply is connected to a parallel network comprising three branches A, B and C as follows: A, a coil of resistance 3 ohm and inductive reactance 4 ohm; B, a series circuit of resistance 4 ohm and capacitive reactance 3 ohm; C, a capacitor. Given that the power factor of the combined circuit us unity, find (a) the capacitance of the capacitor in F; (b) the current taken from the supply. [Ans. 127.32 F, 56A]

A 200V, 50 Hz sinusoidal supply is connected to a parallel network comprising three branches A, B and C as follows: A, a coil of resistance 3 ohm and inductive reactance 4 ohm; B, a series circuit of resistance 4 ohm and capacitive reactance 3 ohm; C, a capacitor. Given that the power factor of the combined circuit us unity, find (a) the capacitance of the capacitor in F; (b) the current taken from the supply. [Ans. 127.32 F, 56A]

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter17: Resistive-inductive Series Circuits

Section: Chapter Questions

Problem 2PP: Assume that the voltage drop across the resistor, ER, is 78 V, that the voltage drop across the...

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