7. An inductive coil having a resistance of 150 takes a current of 4 A when connected to a 100-V, 60 Hz supply. If the coil is connected to a 100-V, 50 Hz supply, calculate (a) the current (b) the power (c) the power factor. Draw to scale the vector diagram for the 50-Hz conditions, showing the component voltages.

7. An inductive coil having a resistance of 150 takes a current of 4 A when connected to a 100-V, 60 Hz supply. If the coil is connected to a 100-V, 50 Hz supply, calculate (a) the current (b) the power (c) the power factor. Draw to scale the vector diagram for the 50-Hz conditions, showing the component voltages.

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 7RQ: An RC series circuit is connected to a 120-V, 60-Hz power source. The resistor is 25 and has a...

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