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A square wire frame is hinged about one ...

A square wire frame is hinged about one of it's sides AB. It carries a current of 0.5 A. Which of the following magnetic fields can hold it in equilibrium in horizontal position shown. It has a mass of 500 gm:

A

`3hat(i)+5/2 hat(k)`

B

`5/2 hat(i)-3hat(j)+2hat(k)`

C

`2hat(j)-5/2 hat(k)`

D

`hat(i)+5/2 hat(j)+5/2 hat(k)`

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