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A current l flows along the length of an...

A current `l` flows along the length of an infinitely long, straight, thin-walled pipe. Then,
(a) the magnetic field at all points inside the pipe is the 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

A

the magnetic field at all points inside the pipe is the 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

Verified by Experts

The correct Answer is:
B
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