A 30-mF capacitor is charged to 80 V and then connected across an initially uncharged capacitor of unknown capacitance C. If the final potential difference across the 30-mF capacitor is 20 V, determine C.

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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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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A 30-mF capacitor is charged to 80 V and then
connected across an initially uncharged capacitor of
unknown capacitance C. If the final potential
difference across the 30-mF capacitor is 20 V,
determine C.
Select one:
a.
24 mF
b.
45 mF
C.
60 mF
d.
75 mF
е.
90 mF
Transcribed Image Text:A 30-mF capacitor is charged to 80 V and then connected across an initially uncharged capacitor of unknown capacitance C. If the final potential difference across the 30-mF capacitor is 20 V, determine C. Select one: a. 24 mF b. 45 mF C. 60 mF d. 75 mF е. 90 mF
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