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Magnetic force on a current carrying wir...

Magnetic force on a current carrying wire in a uniform magnetic field B as shown in figure :

A

5IRB

B

4IRB

C

6IRB

D

2IRB

Text Solution

Verified by Experts

The correct Answer is:
C
Force on current carrying wire in magnetic field.
`vecF=I (vecl xx vecB) – IlB sin theta`
Here, `l = " displacement of wire " = 6 R theta = 90^@`
`F= I (6R) B sin 90^@ = 6 IRB`
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