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A closely wound solenoid 80cm long has 5...

A closely wound solenoid 80cm long has `5` layers of windings of `400` turns each .The diameter of the solenoid is `1.8cm` .If the current carried is `8A` ,the magnetic field near the centre of the solenoid is ...

A

`25xx10^2T`

B

`2.5xx10^-2T`

C

`25xx10^2T`

D

`2.5xx10^3T`

Text Solution

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The correct Answer is:
B
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