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An arc of a circular loop of radius R is...

An arc of a circular loop of radius `R` is kept in the horizontal plane and a constant magnetic field `B` is applied in the vertical direction as shown in the figure . If the arc carries current I then find the force on the arc

A

IRB

B

`(IRB)/(4)`

C

`sqrt(2)IRB`

D

`(IRB)/(sqrt(2))`

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The correct Answer is:
C
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