Homework 1 The switch in the circuit in below has been closed for a long time, and it is opened at t = 0. Find v(t) for t > 0. Calculate the initial energy stored in the capacitor. t =0 3Ω 12 ww 20 V 9Ω 20 mF

Homework 1 The switch in the circuit in below has been closed for a long time, and it is opened at t = 0. Find v(t) for t > 0. Calculate the initial energy stored in the capacitor. t =0 3Ω 12 ww 20 V 9Ω 20 mF

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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Concept explainers

Sinusoids And Phasors

Sinusoids are defined as the mathematical waveforms that are used to describe the nature of periodic oscillations.

Circuit Theory

Electric circuits are a network that comprises of a closed-loop, which helps in providing a return path for the current through a switch. When the switch is activated, the load operates, and the current accepts a path to finish the circuit at a low potential level from the opposing high potential level. Electric circuits theory is a linear analysis that helps in establishing a linear relation of voltage and current for R (resistance), L (inductance), and C (capacitance).

Question

Homework 1
The switch in the circuit in below has been closed for a long time, and it is opened at t = 0.
Find v(t) for t > 0. Calculate the initial energy stored in the capacitor.
t =0
3Ω
12
ww
20 V
9Ω
20 mF

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