10.A 100-µf capacitor is connected in series with a 150-volt voltmeter that has a resistance of 1,000 ohms per volt. (a) Calculate the reading on the voltmeter at the instant when t equals the time constant following the closing of the switch that impresses 120 volts on the circuit. (b) After the capacitor is completely charged, it is discharged across the resistance of the voltmeter. What will be the reading of the voltmeter 5 and 7 sec after the capacitor starts to discharge?
10.A 100-µf capacitor is connected in series with a 150-volt voltmeter that has a resistance of 1,000 ohms per volt. (a) Calculate the reading on the voltmeter at the instant when t equals the time constant following the closing of the switch that impresses 120 volts on the circuit. (b) After the capacitor is completely charged, it is discharged across the resistance of the voltmeter. What will be the reading of the voltmeter 5 and 7 sec after the capacitor starts to discharge?
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter20: Capacitance In Ac Circuits
Section: Chapter Questions
Problem 2PA: You are working in an industrial plant. You have been instructed to double the capacitance connected...
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