1.

A charged particle of charge q and mass m is released from rest in a uniform electric field E. Neglecting the effect of gravity, the kinetic energy of the charged particle after time t seconds is

A. \(\frac{{Eqm}}{t}\)
B. \(\frac{{{E^2}{q^2}{t^2}}}{{2m}}\)
C. \(\frac{{2{E^2}{t^2}}}{{qm}}\)
D. \(\frac{{E{q^2}m}}{{2{t^2}}}\)
Answer» C. \(\frac{{2{E^2}{t^2}}}{{qm}}\)


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