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1) charging a capacitor from 0v to 1v

2) charging a capacitor from 1v to 2v

energy stored on a capacitor is 0.5*C*(voltage)^2. So the energy increase for capacitor is 0.5*C in 1) and 1.5*C = 0.5*C*(2^2-1) in 2)

Assume the ohmic loss are both 0.5*C since the voltage differences in both cases are the same.

The energy consumption should be C in 1) and 2*C in 2)

However, I'ave done the simulation and the energy consumption seem to be the same

Is there something wrong with the analysis?