A conducting wire bent in the form of a ...

A conducting wire bent in the form of a parabola `y^(2)=2x` carries a current `i=2A` as shown in figure. This wire is placed in a uniform magnetic field `vecB=4hatk`Tesla. The magnetic force on the wire in region `0ltxlt2m` is (in Newton)

`-16hati`

`32hati`

`-32hati`

`16hati`

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