Homework Answers
C = epsilion * A/d
A is area of plate
d is distance between plates
C = 8.85*10^-12 * pi*0.1*0.1/ 0.001
C = 2.78*10^-10 F
Q = CV
Q = 2.78*10^-10*12
Q = 3.33*10^-9 C
option A is correct
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