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A coil inductor has a length between 10-25 cm, and the coil should be 1 mm or 1.5 mm in diameter. To achieve an energy of 1.5 × 10⁻¹⁷ joules, what parameters should be selected?

Can you achieve a current of 0.000000000000002 A in a practical design of this inductor?

How can you decrease a current of 0.0000002 A based on these equations?