The switch below has been closed for a long period of time and is opened att=0.Switch_open_t=0a) Find the ENERGY stored in thecapacitor just before theswitch is opened6kn1ka1kQ12V:1pFThe switch opens at t=0. Thecapacitor begins to discharge.tQ(t)c = Q(0). · eib) At what time 't will the charge on the capacitor be equal to 20% of thecharge at t=0?c) How much charge remains on the capacitor at this time?d) Find the total energy dissipated by one of the 1k2 resistors usingE, = S p(t)dt where p(t)is the instantaneous power

The circuit for time t<0 is drawn in the figure below. The capacitor was acting as an…

The switch below has been closed for a long period of time and is opened at t=0. Switch_open_t=0 a) Find the ENERGY stored in the capacitor just before the switch is opened 1kQ 1kQ 12V The switch opens at t=0. The capacitor begins to discharge. Q(t)c = Q(0). · e b) At what time 't will the charge on the capacitor be equal to 20% of the charge at t=0? c) How much charge remains on the capacitor at this time? d) Find the total energy dissipated by one of the 1k2 resistors using E, = S p(t)dt where p(t)is the instantaneous power

The switch below has been closed for a long period of time and is opened at t=0. Switch_open_t=0 a) Find the ENERGY stored in the capacitor just before the switch is opened 1kQ 1kQ 12V The switch opens at t=0. The capacitor begins to discharge. Q(t)c = Q(0). · e b) At what time 't will the charge on the capacitor be equal to 20% of the charge at t=0? c) How much charge remains on the capacitor at this time? d) Find the total energy dissipated by one of the 1k2 resistors using E, = S p(t)dt where p(t)is the instantaneous power

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Capacitor

The capacitor is an element used to store electrical energy in the electrical field. A capacitor is a form of passive energy.

Question

The switch below has been closed for a long period of time and is opened at
t=0.
Switch_open_t=0
a) Find the ENERGY stored in the
capacitor just before the
switch is opened
6kn
1ka
1kQ
12V
:1pF
The switch opens at t=0. The
capacitor begins to discharge.
t
Q(t)c = Q(0). · ei
b) At what time 't will the charge on the capacitor be equal to 20% of the
charge at t=0?
c) How much charge remains on the capacitor at this time?
d) Find the total energy dissipated by one of the 1k2 resistors using
E, = S p(t)dt where p(t)is the instantaneous power

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