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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-inductance is found to be `L`. Now, if the same wire is wound on a solenoid of length `l//2` and 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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