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Energy stored in a 400-turn coil when 4 A produces a flux of 3 x 10^-3 Wb

The same question, asked 2 times: 10 May 2023 S2, 18 Apr 2026 S2. Every wording below, oldest first.

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  1. Question 1

    10 May 2023 S2

    22
    If current of 4 A produces magnetic flux of 3×10−33 \times 10^{-3} Wb through a coil of 400 turns, the energy stored in the coil will be

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  2. Question 2

    18 Apr 2026 S2

    135
    If current of 4 A produces magnetic flux of 3×10−33 \times 10^{-3} Wb through a coil of 400 turns, the energy stored in the coil will be

    Tap an option to check your answer.