After the switch S is kept open for a long time, it is closed at t=0. What is the current across the resistor of 3 ohm at t=0 in Ampere? A) 1.5 B) 2 C) 0 D) 3 3 V E) 1.7 182 www 252 C 3923 L www S 5 V 4 V 452

After the switch S is kept open for a long time, it is closed at t=0. What is the current across the resistor of 3 ohm at t=0 in Ampere? A) 1.5 B) 2 C) 0 D) 3 3 V E) 1.7 182 www 252 C 3923 L www S 5 V 4 V 452

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter18: Direct-Current Circuits

Section18.5: Rc Circuits

Problem 18.9QQ: The switch is closed in Figure 18.20. After a long time compared with the time constant, of the...

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Question

After the switch S is kept open for a long time, it is closed at
t=0. What is the current across the resistor of 3 ohm at t=0 in
Ampere?
A) 1.5
B) 2
C) 0
D) 3
3 V
E) 1.7
12
252
3ΩΣ
L
S
5 V
4 V
492

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