Q.

Kinetic energy of an electron accelerated in a potential difference of 100 V is

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a

1.6×10−17J

b

1.6×1021J

c

1.6×10−29J

d

1.6×10−34J

answer is A.

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Detailed Solution

By using KE=QV⇒KE=1.6×10−19×100=1.6×10−17 J
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