Hello,
I was given two circuits to solve:
1. Calculation of i(t) in a circuit with two capacitors.
2. Calculation of current ratio = I2(t) / I1(t)

I tried solving the first one but failed and for the second one ...... I know how to calculate v2(t)/v1(t)...but not the current ratio.

 

Well, there's no way that we can figure out why you failed on the first one until you show how you went about trying to solve it.

As for the ratio of the two currents -- I don't see that there is a definable relationships. Put a source on the left side and leave the right side unconnected and the ratio is zero. But a source on the right side and leave the left side unconnected and the ratio is infinite.

 

As for the ratio of the two currents -- I don't see that there is a definable relationships. Put a source on the left side and leave the right side unconnected and the ratio is zero. But a source on the right side and leave the left side unconnected and the ratio is infinite.

Thanks WBahn.....I too thought the same thing. Unless it is loaded, it cannot be calculated...right!!