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A wire carrying a current i is placed in...

A wire carrying a current i is placed in a uniform magnetic field in the form of the curve `y=asin((pix)/L),0lexle2L`. The force acting on the wire is

A

`(iBL)/pi`

B

`iBLpi`

C

`2iBL`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
C
Length given in curve wire is 2L, the force acting on the wire is `F_(m)=BI(2L)=2IBL`
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KUMAR PRAKASHAN-MOVING CHARGES AND MAGNETISM-SECTION D (MULTIPLE CHOICE QUESTIONS)
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  18. If the speed of a charged particle moving through a magnetic field is ...

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