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A wires PQRS carrying a current I runs a...

A wires PQRS carrying a current I runs along three edges of a cube of side l as shown in figure. There exists a uniform magnetic field of magnitude B along one of the sides of cube. The magnitude of the force acting on the wire is

A

zero

B

`sqrt(3)IB`

C

`sqrt(2I) lB`

D

`2Ilb`

Text Solution

Verified by Experts

The correct Answer is:
C
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