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AG asked in Science & MathematicsPhysics · 8 years ago

Physics conceptual question about CURRENT. Help!?

Please help me with this question:

An inductor with a 2.0 A current stores energy. At what current will the stored energy be twice as large?

1 Answer

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  • ?
    Lv 6
    8 years ago
    Favorite Answer

    Energy in an inductor =0.5 L I^2

    2 x energy = .05Li^2 / .05L2^2

    2 = I^2 / 4

    I^2 = 8

    II = sqrt (8)

    I = 2 sqrt 2

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