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Inductance from the energy stored and the current

The same question, asked 2 times: 9 May 2023 S2*, 18 Apr 2026 S1. Every wording below, oldest first.

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  1. Question 1

    9 May 2023 S2

    48
    The magnetic potential energy stored in certain inductor is [64]×10−3[64] \times 10^{-3} J, when the current in the inductor is 80 mA. This inductor is of inductance

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  2. Question 2

    18 Apr 2026 S1

    137
    The magnetic potential energy stored in a certain inductor is 4949 mJ when the current in the inductor is 7070 mA. The inductance of the inductor is

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