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AP® Physics C: E & M

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Moderate

Calculate Inductance

APPHEM-@PO$B2

Energy is stored in the magnetic field of an inductor. The amount of energy is 5000 J and it is a 250 H inductor.

How much current is flowing through the inductor?

A

3.2 A

B

4.5 A

C

6.3 A

D

20 A

E

40 A