switches have been at their current positions for a very long time. At t= 0, the switches age their state as shown in the figure below. Find the current through R4 and the voltage ss R3 for t20. V2 12V t = 0 R2 L1 60 SH R1 30 C1 R3 20 C0.5F R4 30 t= 0 V1 12V

switches have been at their current positions for a very long time. At t= 0, the switches age their state as shown in the figure below. Find the current through R4 and the voltage ss R3 for t20. V2 12V t = 0 R2 L1 60 SH R1 30 C1 R3 20 C0.5F R4 30 t= 0 V1 12V

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter7: Parallel Circuits

Section: Chapter Questions

Problem 4PP: Using the rules for parallel circuits and Ohmslaw, solve for the missing values....

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Concept explainers

KVL and KCL

KVL stands for Kirchhoff voltage law. KVL states that the total voltage drops around the loop in any closed electric circuit is equal to the sum of total voltage drop in the same closed loop.

Sign Convention

Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection and refraction in an easier way.

Question

The switches have been at their current positions for a very long time. At t = 0, the switches
change their state as shown in the figure below. Find the current through R4 and the voltage
across R3 for t20.
V2
12V
t = 0
R2
L1
m
SH
R1
C1
30
C0.5F
R3
R4
20
30
t= 0
V1
12V

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