Asked by Bholanath Beura | 28th Apr, 2014, 09:20: PM

Expert Answer:

q = 0.2 C
W = 4 J
l = 2 m
straight W space equals space qV
rightwards double arrow straight V equals straight W over straight q equals fraction numerator 4 over denominator 0.2 end fraction equals 20 space straight V Now comma space straight E thin space equals space straight V over straight l equals 20 over 2 equals 10
Hence comma space straight E space equals 10 space straight V divided by straight m

Answered by  | 29th Apr, 2014, 11:36: AM

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