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When electric current I flow through a s...

When electric current I flow through a straight wire of length I placed in a magnetic field , a magnetic force of 1N acts on it . If magneitude of the electric current is halved and the magnetic field is doubled , what will be the magnetic force acting on the wire ?

A

0.5 N

B

1 N

C

2 N

D

4 N

Text Solution

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The correct Answer is:
B
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