An electron of charge 1.6 x 1019C is accelerated in vacuum from rest at zero...

WAEC 1988

An electron of charge 1.6 x 10¹⁹C is accelerated in vacuum from rest at zero volt towards a plate of 40KV. Calculate the kinetic energy of the electron.

A. 4 x 10 ²⁵J
B. 4 x 10²¹ J
C. 6.4 x 10²⁰ J
D. 6.4 x 10^-15 J
E. 2.5 x 10²⁰ J

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Correct Answer: Option D

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An electron of charge 1.6 x 1019C is accelerated in vacuum from rest at zero...

Correct Answer: Option D

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