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- Homework Statement
- Every textbook has a very simple formula to determine equivalent capacitance when multiple capacitors are connected in parallel or series.

My question is: Does the formula apply to only parallel plate capacitors or capacitors of any shape/size?

- Relevant Equations
- ##\dfrac {1} {C_{eq}}= \dfrac {1} {C_1} + \dfrac {1} {C_2} + \dfrac {1} {C_3} + ...##, when capacitors are connected in series

##C_{eq}={C_1} + {C_2} + {C_3} + ...##, when capacitors are connected in parallel

To me it seems like the formula applies to capacitors of any shape or size, since textbooks never mention any limitations on capacitor type when stating these formulae.