How much length of a very thin wire is required to obtain a solenoid of length l 0 and…
Physics · JEE Advanced · NTA Exams — Electromagnetic Induction and Alternating Currents
How much length of a very thin wire is required to obtain a solenoid of length l0 and inductance L
- \(\sqrt{\frac{2 \pi \mathrm{~L} \ell_{0}}{\mu_{0}}}\)
- \(\sqrt{\frac{4 \pi \mathrm{~L} \ell_{0}}{\mu_{0}^{2}}}\)
- \(\sqrt{\frac{4 \pi \mathrm{~L} \ell_{0}}{\mu_{0}}}\)
- \(\sqrt{\frac{8 \pi \mathrm{~L} \ell_{0}}{\mu_{0}}}\)
Answer
(C) 4 ~L _ 0 _ 0
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