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L is a circular loop (in y-z plane) carr...

L is a circular loop (in y-z plane) carrying an anticlockwise current. P is a point on its axis OX dl is an element of length on the loop at a point A on it. The magnetic field at P

A

(i),(ii)

B

(ii),(iii)

C

(i),(iii)

D

(i),(iv)

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The correct Answer is:
D
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CP SINGH-MAGNETIC FIELD-EXERCISE
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  2. The magnetic field at O is

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  3. L is a circular loop (in y-z plane) carrying an anticlockwise current....

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  4. A circular current-carrying coil has a radius R. The distance from the...

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  5. A circular coil of radius R carriers an electric current. The magnetic...

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  6. The field normal to the plane of a wire of n turns and radis r which c...

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  7. If we double the radius of the coil keeping the current through it unc...

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  8. A charge q coulomb moves in a circle at n revolution per second and th...

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  9. Two long straight wires, each carrying a current I in opossite directi...

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  10. Two parallel wires carrying equal currents i(1) and i(2) with i(1)gti(...

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  11. The values of i so that magnetic field at R is zero

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  12. Two long wire carrying current 2i and i are placed along co-ordinate a...

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  13. Three long wires, each carrying current i are placed as shown. The mid...

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  14. Two long parallel wires are at a distance 2d apart. They carry stead...

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  15. A staright wire of length (pi^(2)) meter is carrying a current of 2A a...

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  16. A length of wire carries a steady current I. It is bent first to form ...

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  17. Two concentric coils carry the same current in opposite directions. Th...

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  18. Two identical coils have a common centre and their planes are at right...

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  19. Two similar coils of radius R are lying concentriclaly with their pl...

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  20. Two concentric coplanar circular loops of radii r(1) and r(2) carry cu...

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