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25 April, 05:52

g An inductor used in a dc power supply has an inductance of 12.0 H and a resistance of It carries a current of 0.300 A. (a) What is the energy stored in the magnetic field

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  1. 25 April, 09:13
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    Energy of an inductor = 1/2 L i²

    L is inductance, i is current.

    = 1/2 x 12 x. 3²

    =.54 J
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