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gopalam vanapalli Grade: 12
        

what is the procedure to find the netcapacitance ,charge on each capacitance in complex combination.plz help me sir

6 years ago

Answers : (1)

Aman Bansal
592 Points
										

DEAR GOPALAM VANAPALLI,


IN CASE OF PARALLEL COMBINATION OF CAPACITANCES,


Ceq = e0Aeq/d = e0(A1+A2)/d = e0A1/d + e0A2/d = C1 + C2
Thus, Ceq = C1 + C2.


WHEREAS IN SERIES COMBINATION ,


The quantity that adds is the voltage across each capacitor
DV = DV1 + DV2
The voltage across the capacitors is related to their charge
DV1 = Q/C1   and   DV2 = Q/C2
The definition of the equivalent capacitance is Ceq = Q/DV, or DV = Q/Ceq. Therefore
Q/Ceq = Q/C1 + Q/C2
We can divide out the common factor of Q to arrive at


1/Ceq = 1/C1 + 1/C2

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AMAN BANSAL
6 years ago
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