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A wire of arbitrary shape carries a curr...

A wire of arbitrary shape carries a current I = 2 A. Consider the portion of wire between (0,0,0 ) and (4,4,4 ) . A magnetic filled given by `vec(B) . = ( 12 xx 10^(-4)hat i + 2 xx 10^(-4)hat hatj)` T exists in and region . The force acting on the given portion the wire is

A

`vecF=[(hati+hatj+hatk)xx(12hati+12hatj)]N`

B

`vecF=8xx10^(-4)[(hati+hatj+hatk)xx(12hati+12hatj)]N`

C

Zero

D

None of the above

Text Solution

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The correct Answer is:
B
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