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(a) Which force is independent of the st...

(a) Which force is independent of the state of rest or of motion of a charged particle: electric or magnetic?
(b) Which of the two force is stronger: magnetic force or electric force?

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(a) Electric force.
(b) Electric force `(F_e)` is stronger than the magnetic force `(F_m)` as `F_e//F_m~~10^(25)`.
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