b. A capacitor in a RC circuit is charged for a long time as shown in the Figure below, where the battery voltage V= 6V. The switch s is flipped from a to b and the capacitor discharges through the R = 4 MQ resistor. 4 seconds after the switch is flipped to discharge the capacitor, the voltage across the capacitor is 3 V. What are (a) The time constant of this circuit (b) The capacitance of the capacitor (c) The current in the circuit and the charge on the capacitor just before the switch is flipped from a to b. (d) The current in the circuit immediately after the switch is flipped from a to b

College Physics
11th Edition
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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R
www-11
V
S
b
a
Transcribed Image Text:R www-11 V S b a
b. A capacitor in a RC circuit is charged for a long time as shown in the
Figure below, where the battery voltage V=6V. The switch s is flipped
from a to b and the capacitor discharges through the R = 4 MQ resistor. 4
seconds after the switch is flipped to discharge the capacitor, the voltage
across the capacitor is 3 V. What are
(a) The time constant of this circuit
(b) The capacitance of the capacitor
(c) The current in the circuit and the charge on the capacitor just before the
switch is flipped from a to b.
(d) The current in the circuit immediately after the switch is flipped from a
to b
Transcribed Image Text:b. A capacitor in a RC circuit is charged for a long time as shown in the Figure below, where the battery voltage V=6V. The switch s is flipped from a to b and the capacitor discharges through the R = 4 MQ resistor. 4 seconds after the switch is flipped to discharge the capacitor, the voltage across the capacitor is 3 V. What are (a) The time constant of this circuit (b) The capacitance of the capacitor (c) The current in the circuit and the charge on the capacitor just before the switch is flipped from a to b. (d) The current in the circuit immediately after the switch is flipped from a to b
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