An electron charge 1.6 x 10-19C is accelerated in vacuum from rest at zero volt towards a plate at 40k V. Calculate the kinetic energy of the electron
a
4.0 x 10-26J
b
4.0 x 10-21J
c
6.4 x 10-20J
d
3.2 x 10-15J
e
2.5 x 10-20J
Explanation
Correct Option
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