2. Refer to figure 1.B . The capacitor is initially uncharged. The switch S is closed at t = 0. Since the capacitor at t = 0+ behaves like a conducting wire[with zero resistance] and at t → 0o like an open circuit[ with infinite resistance]: (a) The effective resistance of the circuit at t = 0+ is: 4+ S = 5.6N (2)(8) (True, False) (b) After a very long time (t - o0) the effective resistance of the circuit is: 4 + 2 = 62 (True, False) (c) At t = 0+ the voltages across the 82 resistor and 22 resistor are the same. (True, False)
2. Refer to figure 1.B . The capacitor is initially uncharged. The switch S is closed at t = 0. Since the capacitor at t = 0+ behaves like a conducting wire[with zero resistance] and at t → 0o like an open circuit[ with infinite resistance]: (a) The effective resistance of the circuit at t = 0+ is: 4+ S = 5.6N (2)(8) (True, False) (b) After a very long time (t - o0) the effective resistance of the circuit is: 4 + 2 = 62 (True, False) (c) At t = 0+ the voltages across the 82 resistor and 22 resistor are the same. (True, False)
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter43: Nuclear Physics
Section: Chapter Questions
Problem 44P
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Question
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Transcribed Image Text:1F
IF
6V
6 V
10
(A)
(B)
Figure 1:
![2. Refer to figure 1.B. The capacitor is initially uncharged. The switch S is closed at t = 0.
Since the capacitor at t = 0+ behaves like a conducting wire[with zero resistance] and at t + oo like an open circuit[ with infinite resistance]:
(a) The effective resistance of the circuit at t = o+ is: 4 + 2(8)
= 5.62
(True, False)
(b) After a very long time (t - o0) the effective resistance of the circuit is: 4+ 2 = 62
(True, False)
(c) At t = 0+ the voltages across the 82 resistor and 22 resistor are the same.
(True, False)
(d) At t = 0+ the voltage across 42 , 80 and 20 resistors are 4.3V , 1.7V and 1.7V respectively.
(True, False)
(e) At t → o0 the voltages across the 82 resistor is zero because the capacitor is fully charged and lets no current pass through it[behaves
like an open circuit].
(True, False)
(f) At t → oo the current is
= 1A.
(True, False)
(g) At t - oo the voltage across the 22 is 2V.
(True, False)
(h) At t → oo the voltage across the 1F capacitor is 2V.
(True, False)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F430bf55b-cd13-42e4-b9bc-47cb9df7ce37%2F877901aa-330d-4335-a513-61f1849e98ad%2Fjpun6sn_processed.png&w=3840&q=75)
Transcribed Image Text:2. Refer to figure 1.B. The capacitor is initially uncharged. The switch S is closed at t = 0.
Since the capacitor at t = 0+ behaves like a conducting wire[with zero resistance] and at t + oo like an open circuit[ with infinite resistance]:
(a) The effective resistance of the circuit at t = o+ is: 4 + 2(8)
= 5.62
(True, False)
(b) After a very long time (t - o0) the effective resistance of the circuit is: 4+ 2 = 62
(True, False)
(c) At t = 0+ the voltages across the 82 resistor and 22 resistor are the same.
(True, False)
(d) At t = 0+ the voltage across 42 , 80 and 20 resistors are 4.3V , 1.7V and 1.7V respectively.
(True, False)
(e) At t → o0 the voltages across the 82 resistor is zero because the capacitor is fully charged and lets no current pass through it[behaves
like an open circuit].
(True, False)
(f) At t → oo the current is
= 1A.
(True, False)
(g) At t - oo the voltage across the 22 is 2V.
(True, False)
(h) At t → oo the voltage across the 1F capacitor is 2V.
(True, False)
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