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Answer the following.
A moving charged particle q travelling along the positive x-axis enters a uniform magnetic field B…
A moving charged particle $q$ travelling along the positive x-axis enters a uniform magnetic field $B$. When will the force acting on $q$ be maximum?
Answer
Answer
The force is maximum when the magnetic field is perpendicular to the velocity of the charge, i.e. $\theta = 90^\circ$ (B along the y- or z-axis), since $F = qvB\sin\theta$.