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A long solenoid of length L has a mean d...

A long solenoid of length `L` has a mean diameter `D`. It has `n` layers of windings of `N` turns each. If it carries a current `‘i’` the magnetic field at its centre will be

A

proportional to D

B

inversely proportional to D

C

independent of D

D

proportional to L

Text Solution

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The correct Answer is:
C
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