In the RC circuit shown in below, the battery has fully charged the capacitor, so Q0 = C%. Then at t = 0 the switch is thrown from position a to b. The battery emf is 20.0 V, and the capacitance C = 1.02 microF. The current I is observed to decrease to 0.50 of its initial value in 40 micro seconds. (a) What is the value of Q, the charge on the capacitor, at t = 0? (b) What is the value of R? (c) What is Q at t = 60 ^ts? R 8= + 20.0 V F1.02 uF

In the RC circuit shown in below, the battery has fully charged the capacitor, so Q0 = C%. Then at t = 0 the switch is thrown from position a to b. The battery emf is 20.0 V, and the capacitance C = 1.02 microF. The current I is observed to decrease to 0.50 of its initial value in 40 micro seconds. (a) What is the value of Q, the charge on the capacitor, at t = 0? (b) What is the value of R? (c) What is Q at t = 60 ^ts? R 8= + 20.0 V F1.02 uF

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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