Problem: An inductor with a 2.0 A current stores energy.At what current will the stored energy be twice as large?Express your answer to two significant figures and include the appropriate units. (If=?)

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The energy stored in an inductor is given by:

U=12Li2

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An inductor with a 2.0 A current stores energy.

At what current will the stored energy be twice as large?

Express your answer to two significant figures and include the appropriate units. (If=?)

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Based on our data, we think this problem is relevant for Professor Willig-Onwuachi's class at BU.