A 200 turn coil has an inductance of 12 mH. If the number of turns is increased

Question

A 200 turn coil has an inductance of 12 mH. If the number of turns is increased to 400 turns, all other quantities (area, length etc.) remaining the same, the inductance will be

Options:

A . 6 mH

B . 146 mH

C . 24 mH

D . 48 mH

Answer: Option D

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