A current of 5 ampere is flowing in a wi...

A current of 5 ampere is flowing in a wire of length 1.5 metres. A force of `7.5 N` acts on it when it is placed in a uniform magnetic field of 2 Tesla. The angle between the magnetic field and the direction of the current is

`30^(@)`

`45^(@)`

`60^(@)`

`90^(@)`

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