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Which one of the following graphs shows ...

Which one of the following graphs shows the variation of magnetic induction B which distance r from a long wire carrying a current ?

A

B

C

D

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The correct Answer is:
C
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AAKASH INSTITUTE-MOVING CHARGE AND MAGNESIUM-ASSIGNMENT (SECTION A)
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  9. If an electron revolves around a nucleus in a circular orbit of radius...

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  16. Quite often, connecting wires carrying currents in opposite directions...

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