3. Consider the following circuit. The switch is closed for a long time and then opened at time t = 0. 6 kQ 3 V 6 V 1 ΚΩ 2 ΚΩ 5 μF a. Find the current through the 2 k resistor and the voltage across the 5 uF capacitor right before the switch is opened, i.e., at time t = 0. b. Find the current through the 2 k resistor and the voltage across the 5 uF capacitor right after the switch is opened, i.e., at time t = 0+. c. Find the current through the 2 k resistor and the voltage across the 5 uF capacitor after the switch has been opened for a long time, i.e., at time t→ ∞.

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter19: Capacitors
Section: Chapter Questions
Problem 2PA: You are an electrician working in an industrial plant. You discover that the problem with a certain...
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Please answer a,b,c
3. Consider the following circuit. The switch is closed for a long time and then opened at time t = 0.
6 KQ
3 V
+
6 V
+
1 ΚΩ
2 ΚΩ
5 μF
a. Find the current through the 2 k resistor and the voltage across the 5 uF capacitor right before the
switch is opened, i.e., at time t = 0¯.
b. Find the current through the 2 k resistor and the voltage across the 5 μF capacitor right after the
switch is opened, i.e., at time t = 0+.
c. Find the current through the 2 k
resistor and the voltage across the 5 uF capacitor after the switch
has been opened for a long time, i.e., at time t → ∞.
Transcribed Image Text:3. Consider the following circuit. The switch is closed for a long time and then opened at time t = 0. 6 KQ 3 V + 6 V + 1 ΚΩ 2 ΚΩ 5 μF a. Find the current through the 2 k resistor and the voltage across the 5 uF capacitor right before the switch is opened, i.e., at time t = 0¯. b. Find the current through the 2 k resistor and the voltage across the 5 μF capacitor right after the switch is opened, i.e., at time t = 0+. c. Find the current through the 2 k resistor and the voltage across the 5 uF capacitor after the switch has been opened for a long time, i.e., at time t → ∞.
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