Question

An initially charged capacitance discharges through a resistance. Part A At one time constant, what percentage of the initial voltage remains? Express your answer using three significant figures. K1 = % SubmitMy AnswersGive Up Part B What percentage of the initial stored energy remains? Express your answer using three significant figures. K2 = % SubmitMy AnswersGive Up 

          An initially charged capacitance discharges
through a resistance.
Part A
At one time constant, what percentage of
the initial voltage remains?
Express your answer using three significant
figures.
K1 = 
%
SubmitMy AnswersGive Up
Part B
What percentage of the initial stored
energy remains?
Express your answer using three significant
figures.
K2 = 
%
SubmitMy AnswersGive Up
Show more…
An initially charged capacitance discharges through a resistance. Part A At one time constant, what percentage of the initial voltage remains? Express your answer using three significant figures. K1 = % SubmitMy AnswersGive Up Part B What percentage of the initial stored energy remains? Express your answer using three significant figures. K2 = % SubmitMy AnswersGive Up

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University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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An initially charged capacitance discharges through a resistance. Part A: At one time constant, what percentage of the initial voltage remains? Express your answer using three significant figures. K1 = Part B: What percentage of the initial stored energy remains? Express your answer using three significant figures. K2 =
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Transcript

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00:01 Okay, you have a capacitor that's 160 microfarad, a resistance of 1k, and a voltage of 1100 volts.
00:09 So we charge the capacitor and then we connect the capacitor through the resistor.
00:14 We're interested in what happens as it discharges.
00:18 So our initial charge on the capacitor is cv, which is 0 .176 kool -ooms...
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