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A closed loop PQRS carrying a current is...

A closed loop PQRS carrying a current is placedin auniform magnetic field. If the magnetic force on the segments PS,SR and RQ are `F_(1),F_(2)"and" F_(3)` respectively and are in the plane of the p[aper and along the directions shown in the figure, the force on the segment QP is

A

`F_(3)-F_(1)+F_(2)`

B

`F_(3)-F_(1)-F_(2)`

C

`sqrt((F_(3)-F_(1))^(2)+F_(2)^(2))`

D

`sqrt((F_(3)-F_(1)^(2)-F_(2)^(2))`

Text Solution

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The correct Answer is:
C
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