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A long straight wire carrying a current of 30 A is placed in an external uniform magnetic field of induction `4xx10^(-4)` T. The magnetic field is acting parallel to the direction of current. The magnitude of the resultant magnetic induction in tesla at a point 2.0 cm away from the wire is `(mu=4pixx10^(-7)Hm^(-1))`

A

`10^(-4)`

B

`3 xx 10^(-4) `

C

`5 xx 10^(-4) `

D

`6 xx 10^(-4)`

Text Solution

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The correct Answer is:
C
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