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| 1. |
A current carrying loop, free to turn , is placed in a uniform magnetic field. What will be its orientation, relative to vecB, in the equilibrium state? D |
| Answer» Solution :For EQUILIBRIUM the COIL should be oriented NORMAL to the magnetic field so that TORQUE ACTING on it `vec(tau) = N I (vecA xx vecB) = vecm xx vecB` is zero. | |