Question

write in vector form the mathematical expression for force experienced by a point electric charge q moving with velocity V in a uniform magnetic field B. under what conditions is this force (a) maximum (b) minimum?​

Answer 1

For a point electric charge,

F=q(V(vector) × B(vector)).

or

F=qVBsin theta. (scalar)

When sin theta is 1, force is maximum.

F=qVB.

When sin theta is 0. force minimum=0.

Answer 2

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