How much length of a very thin wire is required to obtain a solenoid of length l0 and inductance L.\[\sqrt{\frac{2\pi Ll_{0}}{\mu_{0}}}\]\[\sqrt{\frac{4\pi Ll_{0}}{\mu_{0}^{2}}}\]\[\sqrt{\frac{4\pi Ll_{0}}{\mu_{0}}}\]\[\sqrt{\frac{8\pi Ll_{0}}{\mu_{0}}}\]No solution provided for this question.
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