14. An electron is accelerated under a potential
difference of 100V. Energy obtained by it in
electron volt is:
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Step-by-step explanation:
E = QV
Q = 1.6 × 10^-16 coulomb
V = 100V
energy E = 1.6 × 10^-19 × 100
= 1.6 × 10^-17 J
= 99.86 eV
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