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A circular loop of area 1cm^2 , carrying...

A circular loop of area `1cm^2` , carrying a current of 10 A , is placed in a magnetic field of 0.1 T perpendicular to the plane of the loop. The torque on the loop due to the magnetic field is

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`vectau=vecMxxvecB=(nivecAxxvecB)`
`-[10xx10^(-4)(-hatk)]xx(2hatj)=2xx10^(-3)Nm(hati)`
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AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-III
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  11. A thin flexible wire of length L is connected to two adjacent fixed po...

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  21. A long straight wire carrying current of 30 A is placed in an exte...

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