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The bent wire shown in figure lies in a ...

The bent wire shown in figure lies in a uniform magnetic field. Each straight section is 2.0 m long and makes an angle `theta=60^(@)` with the x-axis , and the wire carries a current of 2.0A . What is the net magnetic force on the wire in unit -vector rotation if the magnetic field is given by (a) `4.0 hat k T` and (b) `4.0hati T` ?

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