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The magnetic induction at any point due ...

The magnetic induction at any point due to a long straight wire carrying a current is

A

Proportional to the distance from the wire

B

Inversely proportional to the distance from wire

C

Inversely proportional to the square of the distance from the wire

D

Does not depend on distance

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The correct Answer is:
B
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ERRORLESS -MAGNETIC EFFECT OF CURRENT-Exercise
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  9. If in circular coil of radius R, current I is flowing and in another c...

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  10. The magnetic field at a distance r from a long wire carryimg current I...

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  11. A current I flows along the length of an infinitely long, straight , ...

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  13. A straight wire of diameter 0.5 mm carrying a current of 1 A is replac...

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  14. A neutral point is obtained at the centre of a vertical circular coil ...

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  15. One tesla is equal to

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  16. A current carrying wire in the neighborhood produces

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  17. Tesla is a unit for measuring

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