an elementary charge is accelerated by a potential diffrence of 9 volts the total energy aqiured by the charge

0 ⤊

an elementary charge is accelerated by a potential diffrence of 9 volts the total energy aqiured by the charge

9 ev
12 ev
3ev
27ev
please tell me how u got the answered

2007-03-05 08:25:00 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Physics

2 answers

I believe that the answer is 9ev, as that is the definition of an ev. ie. the energy acquired by a single electron accelerated through a 1 volt field.

See http://en.wikipedia.org/wiki/Electron_volt

2007-03-05 08:28:55 · answer #1 · answered by rscanner 6 · 0⤊ 0⤋

9 ev of course. An elementary charge is one electron (e). 1 e x 9 V = 9ev

2007-03-05 16:34:41 · answer #2 · answered by Richard P 1 · 0⤊ 0⤋