An elastic circular wire of length l carries a current I. It is placed in a uniform…
Physics · JEE Advanced · NTA Exams — Magnetic Effects of Current and Magnetism
An elastic circular wire of length l carries a current I. It is placed in a uniform magnetic field \(\overrightarrow{\mathrm{B}}\) (Out of paper) such that its plane is perpendicular to the direction of \(\overrightarrow{\mathrm{B}}\). The wire will experience
- No force
- A stretching force
- A compressive force
- A torque
Answer
(B) A stretching force
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