For the circuit shown in the figure, the switch changes from position 1 to position 2 at t=0 s for a t=1.8s, determine the value of the voltage across the capacitor. mm. R-30 Ohms 20V 290 0,25 F 4H 10 Ohms

For the circuit shown in the figure, the switch changes from position 1 to position 2 at t=0 s for a t=1.8s, determine the value of the voltage across the capacitor. mm. R-30 Ohms 20V 290 0,25 F 4H 10 Ohms

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter19: Capacitors

Section: Chapter Questions

Problem 14RQ: A postage stamp mica capacitor has the following color marks starting at the upper left dot: yellow,...

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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

For the circuit shown in the figure, the switch changes from position 1 to position 2 at t=0 s for
a t=1.8s, determine the value of the voltage across the capacitor.
www.
R-30 Ohms
20V
1
290
0,25 F
4H
10 Ohms

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Step 1: State the given data.

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Step 2: Finding the initial conditions.

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Step 3: Finding the differential equation related to the circuit for t>0.

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Step 4: Finding the solution of the differential equation.

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Step 5: Finding the voltage across the capacitor at t = 1.8 s

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