| Series Connection | Parallel Connection |
| $(1)$ In series connection, the magnitude of charge on each capacitor is the same. | $(1)$ In parallel connection, the potential difference across each capacitor is the same. |
| $(2)$ The reciprocal of effective capacitance is equal to the sum of the reciprocals of the capacitance of each capacitor: $\frac{1}{C_{eq}} = \sum \frac{1}{C_i}$. | $(2)$ The effective capacitance is equal to the sum of the individual capacitances: $C_{eq} = \sum C_i$. |
| $(3)$ The effective capacitance is less than the smallest individual capacitance in the circuit. | $(3)$ The effective capacitance is greater than the largest individual capacitance in the circuit. |
| $(4)$ The effective capacitance decreases as the number of capacitors increases. | $(4)$ The effective capacitance increases as the number of capacitors increases. |
| $(5)$ The potential difference across the combination is the sum of the potential differences across each capacitor: $V = \sum V_i$. | $(5)$ The charge on the combination is the sum of the charges on each capacitor: $Q = \sum Q_i$. |
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