A resistor (R = 20.0 k2), a capacitor (C = 125 µF), a battery (EMF = 175 V), and a switch are all in series. The capacitor is initially uncharged. At time t = 0 s, the switch is closed. (a) What is the initial current through the circuit? (b) What is the maximum charge on the capacitor? (c) What is the time constant of the circuit? (d) Write the equation for the charge as a function of time for this circuit, using the values you calculated. (e) Write the equation for the current as a function of time for this circuit, using the values you calculated.

A resistor (R = 20.0 k2), a capacitor (C = 125 µF), a battery (EMF = 175 V), and a switch are all in series. The capacitor is initially uncharged. At time t = 0 s, the switch is closed. (a) What is the initial current through the circuit? (b) What is the maximum charge on the capacitor? (c) What is the time constant of the circuit? (d) Write the equation for the charge as a function of time for this circuit, using the values you calculated. (e) Write the equation for the current as a function of time for this circuit, using the values you calculated.

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 7PP: A pure capacitive circuit is connected to a 480-volt, 60-Hz power source. An ammeter indicates a...

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