A current carrying loop is placed in a ...

A current carrying loop is placed in a uniform magnetic field in four different orientations , I,ii,iii & iv arrange them in the decreasing order of potential Energy`

A

`I gt III gt II gt IV`

B

`I lt III lt II lt IV`

C

`IV lt I lt II lt II`

D

`II gt II gt IV gt I`

Verified by Experts

The correct Answer is:

`A`

`PE = - MB cos 0 =- IA B cos 0`
where `theta` is the angle between areal vector and `B` .

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