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What will be the self-inductance of a so...

What will be the self-inductance of a solendoid of length 1m, diameter 12cm and number of turns 4000? How much energy will be stored in its magnetic field due to a current of 2A through it? `(mu_(0)=4pixx10^(-7)H.m^(-1))`.

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0.227H, 0.454J
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