The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If th

Question

The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be

Options:

A . 3 mH

B . 12 mH

C . 24 mH

D . 48 mH

Answer: Option A

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