A hollow tube is carrying an electric current along its length distributed uniformly over…
Physics · JEE Advanced · NTA Exams — Magnetic Effects of Current and Magnetism
A hollow tube is carrying an electric current along its length distributed uniformly over its surface. The magnetic field
- increases linearly from axis to surface
- is constant inside the tube
- is zero at the axis
- is non zero outside the tube
Answer
(B) is constant inside the tube, (C) is zero at the axis, (D) is non zero outside the tube
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