Capacitors in Series and Parallel

Numerical Examples

Capacitors in Combinations

other than just series or just parallel

Find: everything!

the equivalent capacitance C_eq

the charge Q on each capacitor

the voltage across each capacitor

the energy stored in each capacitor

the energy stored in C_eq

This circuit is a combination of parallel and series parts. We must reduce it in steps.

Now we will work back to our original circuit diagram to answer all of our questions.

The charge on each of these capacitors must be the same,

Now we are ready to replace the equivalent capacitor C_eq with the two original, individual capacitors C₁ and C₂;

Numerical Example: Parallel			Dielectrics
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(c) Doug Davis, 2002; all rights reserved