Lessons

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

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Q.

The field normal to the plane of a coil of ‘n’ turns and radius ‘r’ which carries a current ‘i’ is measured on the axis of the coil at a small distance ‘h’ from the centre of the coil . This is smaller than the field at the centre by the fraction.

View Answer

Correct choice: A

Explanation:

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