Question

1.calculate the work done on a capacitor of capacitance of 200uF, when a potential difference of 100v is applied
2.find the area of a capacitor 1pF,if the distance between the plate is 76cm(=8.85×10^-12f/m)
3.A series arrangement of three capacitors of value 8uf,12uf,24uf is connected in series with a 90v.
a.calculate the effective capacitance in the circuit
b.determine the potential difference across the 8uf capacitor.?

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