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A wire of fixed length is wound on a sol...

A wire of fixed length is wound on a solenoid of length 'l' and radius 'r' . Its self inductiane is found to be Now if same wire is wound on a solenoid of length ad radius `(r)/(2)` then the self inductance will be

A

2L

B

L

C

4L

D

8L

Text Solution

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The correct Answer is:
A
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