An impedance coil, in series with a resistor takes a current of 3A when connected to a 120V AC source. Using a voltmeter, the voltage across the coil was found out equal to 90V and that across the resistor equal to 30V. Find the power factor of the impedance coil only. The frequency is 60 Hz
An impedance coil, in series with a resistor takes a current of 3A when connected to a 120V AC source. Using a voltmeter, the voltage across the coil was found out equal to 90V and that across the resistor equal to 30V. Find the power factor of the impedance coil only. The frequency is 60 Hz
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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An impedance coil, in series with a resistor takes a current of 3A when connected to a 120V AC source. Using a voltmeter, the voltage across the coil was found out equal to 90V and that across the resistor equal to 30V. Find the power factor of the impedance coil only. The frequency is 60 Hz
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