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Electronic Devices and Circuits

Q1:

If an electron move through a potential difference of 500 V, the energy possesses by it will be

A 500 ergs

B 500 joules

C 500 eV

D 500 mV

ANS:C - 500 eV

W = vq.
W = v*n*e.
W = 500*1*1.6*10^-19J,
And 1J = 0.625*10^19 ev,
W = 500*1.6*0.625*10^-19*10^19 ev,
W = 500 ev.



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