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Finding the Energy in a Capacitor and Inductor

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7. What is the energy in joules stored in the capacitor below?
The capacitor is shown with 10 volts on each side of it (plus on the left of the capacitor, - on the right), and C = 20 microfarads.

8. What is the energy in joules stored in the inductor shown below?
There is a drawing of an inductor with 7 A flowing to the right, and below is written 7 m H.

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Solution Summary

This solution provides calculations for finding the energy in a capacitor and inductor. What the energy in joules stored in the inductor is shown is determined.

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The energy U stored in a capacitor with capacitance C under potential drop V is given by:

U = 1/2 * C * V^2

In our case:

V =10v
C ...

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