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प्रश्न
A wire of length l carrying a current I along the Y direction is kept in a magnetic field given by `vec"B" = beta/sqrt3 (hat"i" + hat"j" + hat"k")`T. The magnitude of Lorentz force acting on the wire is
विकल्प
`sqrt(2/3)beta"I"l`
`sqrt(1/3)beta"I"l`
`sqrt2 beta"I"l`
`sqrt(1/2)beta"I"l`
MCQ
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उत्तर
`sqrt(2/3)beta"I"l`
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