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A current of 10 ampere is flowing in a w...

A current of `10` ampere is flowing in a wire of length `1.5m`. A force of `15 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 =IIB sin theta " or " sin theta =F/(IIB)`
` sin theta = 15 /(10xx1.5xx2) =1/2" or " theta = 30^@`
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