Question

Kinetic energy of an electron, which is accelerated in a
potential difference of 100 V is
(a) 1.6 x 10⁻¹⁷ J (b) 1.6 x 10⁻¹⁹ J
(c) 1.6 x 10⁻²¹J (d) 1.6 x 10⁻²⁵ J

Answer 1

KE=eV0

={1.6×10^-19}×100

=1.6×10^-17J