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A circular coil of 200 turns has a radiu...

A circular coil of 200 turns has a radius of 10 cm and carries a current of 2.0 A. (a) Find the magnitude of the magnetic field `(vec B)` at the centre of the coil. (b) At what distance from the centre along the axis of the coil will the field B drop to half its value at the centre?

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HC VERMA-MAGNETIC FIELD DUE TO CURRENT-exercise
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  12. Consider the situation of the previous problem. A particle having char...

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  14. A long solenoid is fabricated by closely winding a wire of radius 0.5 ...

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  15. A copper wire having resistance 0.01 ohm in each metre is used to wind...

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  16. A tightly- wound solenoid of radius a and length l has n turns per uni...

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