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A current I ampere flows along an infini...

A current I ampere flows along an infinitely long straight thin walled tube, then the magnetic induction at any point inside the tube is .

A

0

B

`infty`

C

`(mu_(0)i)/(2r)`

D

`(mu_(0)i)/(2pir)`

Text Solution

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The correct Answer is:
A

Inside the tube current is zero the magnetic field is zero
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