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| 1. |
Use the expression vecF = q(vecv xx vecB) to define the SI unit of magnetic field. |
| Answer» SOLUTION :As per expression `vecF = Q(vecv xx vecB)`, we have `F = q v B` where `theta` is the angle between the directions of v and B . From this expression we define MAGNETIC field B in space at a given point as the maximum value of FORCE acting on a unit positive charge moving with unit velocity there. | |