Question

A 200 turn coil has a self inductance of 10 mH. If the number of turns is doubled, all other quantities remaining the same, the self inductance will be

a.

2.5 mH

b.

5 mH

c.

20 mH

d.

40 mH

Answer: (d).40 mH

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Q. A 200 turn coil has a self inductance of 10 mH. If the number of turns is doubled, all other quantities remaining the same, the self inductance will be

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