A wire of length 1m along x-axis carries...

A wire of length `1m` along x-axis carries a current `2 A` , is placed inside the field of `vecB=(3.0hatj+4.0hatk)` tesla, then force exerted on the wire is

`6hatk+8hatj`

`6hatk-8hatj`

`8hatk-6hatj`

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