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A current I flows along the lenght of an...

A current I flows along the lenght of an infinetely long, straight, thin walled pipe. Then

A

the magnetic field at all points inside the pipe is same but not zero.

B

the magnetic field at any point inside the pipe is zero.

C

the magnetic field is zero only on the axis of the pipe

D

the magnetic field is different at different points inside the pipe.

Text Solution

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The correct Answer is:
B
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