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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

A

`30^@`

B

`45^@`

C

`60^@`

D

`90^@`

Text Solution

Verified by Experts

The correct Answer is:
A
`F = Bil sinthetaimplies7.5=2xx5xx1.5sin thetaimplies theta =30^@`
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