Derive an expression for magnetic force force acting on a current carrying conductor placed in an external magnetic field. When is the force i) maximum? ii) minimum? iii) how can one find the direction of action of the force
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We can derive an expression for the magnetic force on a current by taking a sum of the magnetic forces on individual charges. (The forces add because they are in the same direction.) The force on an individual charge moving at the drift velocity vd is given by F = qvdB sin θ.
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