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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-Exercises
  1. A piece of wire carrying a current of 6.00 A is bent in the form of a ...

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  2. A circular loop of radius r carries a current i. How should a long , ...

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  3. A circular coil of 200 turns has a radius of 10 cm and carries a curre...

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  4. A circular loop of radius 4.0 cm is placed in a horizontal plane and c...

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  5. A charge of (3.14 xx 10^-6) C is distributed uniformly over a circular...

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  6. A thin but long, hollow, cylindrical tube of radius r carries a curre...

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  7. A long, cylindrical tube of inner and outer radii a and b carries a cu...

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  8. A long, cylindrical wire of radius b carries a current i distributed u...

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  9. A solid wire of radius 10 cm carries a current of 5.0 A distributed un...

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  10. Sometimes we show an idealised magnetic field which is uniform in a gi...

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  11. Two large metal sheets carry surface currents as shown in figure . The...

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  12. Consider the situation of the previous problem. A particle having char...

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  13. The magnetic field B inside a long solenoid, carrying a current of 5.0...

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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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  17. A tightly- wound , long solenoid carries a current of 2.00 A. An elect...

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  18. A tightly-wound, long solenoid has n turns per unit length, a radius r...

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  19. A tightly- wound, long solenoid is kept with its axis parallel to a la...

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  20. A capacitor of capacitance 100 mu F is connected to a battery of 20 vo...

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