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Dipole moment of coil is 2hati+3hatj+5hatk. If this coil is placed in uniform magnetic field having magnitude 3hatkT, torque acting on it is _____ Nm. |
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Answer» `sqrt35` `vectau=9hati-6hatj+0hatk=9hati-6hatj` `|vectau|=sqrt(81+36)` `therefore|vectau|=sqrt117` |
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