For 2 capacitors in series what is the phase difference between supply Vac and V across 1 capacitor?
Answer:
Because it is two capacitors and not a resistor or inductor the phase difference is 0. Use the complex impedance of each capacitor as jwC1 and jwC2 then the voltage across one is
jwC1/(jwC1 + jwC2)
dividing top and bottom by jw you get
C1/(C1 + C2) so no phase difference for a purely capacative divider.
There will be no phase difference between the suuply and the voltage across one of the capcitor. Because there is no resistor on the circuit that will delay the charging of the capacitor voltage. It will be simply a voltage divider between the 2 capacitor impedances.
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