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
Verified Correct Answer: D.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #23849)