Lessons

Eamcet Physics
2 nd Year : Unit 3.2 ( Magnetic Effects of Current And Magnetism ) - Electro Magnetism

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Q.

A circular arc of wire subtends an angle π/2 at the centre. If it carries a current i and its radius of curvature is R then the magnetic field at the centre of the arc is

View Answer

Correct choice: D

Explanation:

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