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Capacitor 2 part question?
Part 1 of 2:
A 5 μF capacitor is charged to 80 V.
How much energy is stored in the capacitor? Answer in units of mJ.
Part 2 of 2:
How much additional energy is required to charge the capacitor from 80 V to 190 V?
Answer in units of mJ.
1 Answer
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- 1 month agoFavorite Answer
1. Energy stored = .5CV^2
.5(5E-6)(80)^2=.016J=
.016E-6 m/J
2. use same equation as above and solve for 190V
.09025 J - .016J =
.07425E-6 m/J
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