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Charged capacitor discharged through a pure inductor: maximum current in the LC circuit

The same question, asked 3 times: 11 May 2023 S2*, 14 May 2026 S2*, 19 May 2026 S2. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    11 May 2023 S2

    25
    A 1 μF1\ \mu\text{F} capacitor is charged to 50 V and is then discharged through 10 mH inductor of negligible resistance. The maximum current in the inductor is

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  2. Question 2

    14 May 2026 S2

    138
    A 10 μF10\ \mu\mathrm{F} capacitor is charged to 2525 V of potential. The battery is then disconnected and a pure 100100 mH coil is connected across the capacitor so that L-C oscillations are set up. The maximum current in the coil is

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  3. Question 3

    19 May 2026 S2

    137
    A 40 μF40\ \mu\mathrm{F} capacitor is charged to 1010 volts of potential. The battery is disconnected, and a pure 100100 mH coil is connected across the capacitor so that LC oscillations are set up. Then, the maximum current in the coil is:

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