Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Moving Charges and Magnetism

Question:

A current I flows through an infinitely long, straight copper walled pipe. Then:

Options:

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

The magnetic field is zero only on the axis

The magnetic field is different at different points inside the pipe

The magnetic field at any point inside the pipe is zero

Correct Answer:

The magnetic field at any point inside the pipe is zero

Explanation:

The correct answer is Option (4) → The magnetic field at any point inside the pipe is zero