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An electron enters between two horizontal plates separated by 2 mm and having a potential difference of 1000 V. The force on electron is

a
8 x 10-12 N
b
8 x 10-14 N
c
8 x 10-9 N
d
8 x 1014 N

detailed solution

Correct option is B

Force on electron, F= QE = QVd⇒F=1.6×10-1910002×10-3=8×10-14 N

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