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A current of 1A is flowing along positiv...

A current of 1A is flowing along positive x-axis through a straight wire of length 0.5m placed in a region of a magnetic field given by `vec(B)= (2 hat(i) + 4hat(j))`T. The magnitude and the direction of the force experienced by the wire respectively are

A

`sqrt18N`, along positive z-axis

B

`sqrt20N`, along positive x-axis

C

2N, along positive z-axis

D

4N, along positive y-axis

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