Respostas

2014-07-17T15:27:58-03:00
Ceq = C1 + C2
Ceq = 2*10^-6 + 4*10^-6
Ceq = 6*10^-6

C = Q / V
6*10^-6 * 3*10² = Q

Q = 18*10^-4C

E = q*V
E = 18*10^-4*3*10²
E = 54*10^-2
E = 0,54J

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