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What is the current at t = 0.008 s? (In [A])  c) What is the voltage at t = 0.008 s?

What is the current at t = 0.008 s? (In [A])  c) What is the voltage at t = 0.008 s?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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 b) What is the current at t = 0.008 s? (In [A]) 

c) What is the voltage at t = 0.008 s? (in [V]) Hint: What relationships exist between voltage and current when the current in an inductor is interrupted?

In a circuit containing only an ideal inductor of 5 H, a DC voltage source of 20 V and a resistor of 4 Ohm, all is series, then consider the circuit conditions before and after a switch is opened that was initially closed. The switch requires 0.01 s to transition from fully closed to fully open. See the attached PNG for the circuit layout. a) What was the current through the resistor prior to the switch being open? Answer in [A] (not [mA]). t = () 20 V 5 -H
Transcribed Image Text:In a circuit containing only an ideal inductor of 5 H, a DC voltage source of 20 V and a resistor of 4 Ohm, all is series, then consider the circuit conditions before and after a switch is opened that was initially closed. The switch requires 0.01 s to transition from fully closed to fully open. See the attached PNG for the circuit layout. a) What was the current through the resistor prior to the switch being open? Answer in [A] (not [mA]). t = () 20 V 5 -H
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