A current of \( 2 \mathrm{~A} \) is increasing at a rate of \( 4 \mathrm{~A} \mathrm{~s}^{-1} \)...

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A current of \( 2 \mathrm{~A} \) is increasing at a rate of \( 4 \mathrm{~A} \mathrm{~s}^{-1} \) through a coil of inductance \( 1 \mathrm{H} \). Find the energy stored in the inductor per unit time in the units of \( \mathrm{J} \mathrm{s}^{-1} \).
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