A current I flows along the length of an infinitely long, straight, thin-walled pipe. Then
Physics · JEE Advanced · NTA Exams — Magnetic Effects of Current and Magnetism
A current I flows along the length of an infinitely long, straight, thin-walled pipe. Then
- the magnetic field at all points inside the pipe is the same, but not zero
- the magnetic field at any point inside the pipe is zero
- the magnetic field is zero only on the axis of the pipe
- the magnetic field is different at different points inside the pipe
Answer
(B) the magnetic field at any point inside the pipe is zero
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