An 8 pF capacitor is charged up and stored away (i.e., disconnected froma battery). The stored energy in the capacitor is 4μJ. The capacitor is then connectedto the circuit on the left in Figure 2 with the positively charged end up as shown. Thecomponent values are: R0= 2 kΩ, R1= 2 kΩ, and R2= 1 kΩ and R3= 3 kΩ.( a) What is the potential difference across the capacitor before it is con-nected to the circuit? (b) Taking the instant the capacitor is connected to the circuit ast=0 (i.e., so the circuit fort≥0 is as shown on the right), what is the potentialdiffe
An 8 pF capacitor is charged up and stored away (i.e., disconnected froma battery). The stored energy in the capacitor is 4μJ. The capacitor is then connectedto the circuit on the left in Figure 2 with the positively charged end up as shown. Thecomponent values are: R0= 2 kΩ, R1= 2 kΩ, and R2= 1 kΩ and R3= 3 kΩ.( a) What is the potential difference across the capacitor before it is con-nected to the circuit? (b) Taking the instant the capacitor is connected to the circuit ast=0 (i.e., so the circuit fort≥0 is as shown on the right), what is the potentialdiffe
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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An 8 pF capacitor is charged up and stored away (i.e., disconnected froma battery). The stored energy in the capacitor is 4μJ. The capacitor is then connectedto the circuit on the left in Figure 2 with the positively charged end up as shown. Thecomponent values are: R0= 2 kΩ, R1= 2 kΩ, and R2= 1 kΩ and R3= 3 kΩ.(
a) What is the potential difference across the capacitor before it is con-nected to the circuit?
(b) Taking the instant the capacitor is connected to the circuit ast=0 (i.e., so the circuit fort≥0 is as shown on the right), what is the potentialdifference acrossR0as a function of time?[Before calculating this you will need to simplify the circuit by considering whichresistors are in series and which are in parallel]
Transcribed Image Text:wmo
R, 3
R3
RO
R3
Ro
C
R,
R2
t<0
R2
t >0
Figure 2: Circuit for question 2
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