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A long solenoid has n turns per metre an...

A long solenoid has n turns per metre and current IA is flowing through it. The magnetic field induciton at the ends of the solenoid is

A

`(mu_(0)nI)/2`

B

`mu_(0)nI`

C

Zero

D

`2mu_(0)nI`

Text Solution

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The correct Answer is:
A
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