In the figure R₁ = 9.69 kQ2, R₂ = 15.9 kQ, C = 0.379 μF, and the ideal battery has emf ε =20.0 V. First, the switch is closed a long time so that the steady state is reached. Then the switch is opened at time t = 0. What is the current in resistor 2 at t = 3.90 ms?
In the figure R₁ = 9.69 kQ2, R₂ = 15.9 kQ, C = 0.379 μF, and the ideal battery has emf ε =20.0 V. First, the switch is closed a long time so that the steady state is reached. Then the switch is opened at time t = 0. What is the current in resistor 2 at t = 3.90 ms?
College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![In the figure R₁ = 9.69 kN, R₂ = 15.9 kn, C = 0.379 μF,
and the ideal battery has emf ε =20.0 V. First, the
switch is closed a long time so that the steady state is
reached. Then the switch is opened at time t = 0.
What is the current in resistor 2 at t = 3.90 ms?
E
Number i
+
Fu
R₁
www
R₂
с
Units A](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffa03548f-393b-48a8-9f38-d1b27e81efe3%2F5f93db2a-aa80-4d64-9b7e-144d619ef9cd%2Ftuzg2v_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In the figure R₁ = 9.69 kN, R₂ = 15.9 kn, C = 0.379 μF,
and the ideal battery has emf ε =20.0 V. First, the
switch is closed a long time so that the steady state is
reached. Then the switch is opened at time t = 0.
What is the current in resistor 2 at t = 3.90 ms?
E
Number i
+
Fu
R₁
www
R₂
с
Units A
Expert Solution
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Step 1: INTRODUCTION
Given Data:
The resistance of resistor 1 is
The resistance of resistor 2 is
The capacitance of the capacitor is
The emf of the battery is
The time is
There will be no current in the capacitor branch because the switch is opened.
So at this condition the voltage across capacitor is same as the vlotage across resistor 2.
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