S13Phys2BaLec25B

# Δ v bat δ v 1 δ v 2 we can essentially replace the

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Δ V bat = Δ V 1 + Δ V 2 We can essentially replace the two capacitors in series with one equivalent capacitor.

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Capacitors The battery sees Q Tot passing through it and believes that the one equivalent capacitor has a potential difference of Δ V bat . So, to the battery the equivalent capacitance is: In general, for series capacitors:
Capacitors Remember when you have multiple capacitors in a circuit that: Capacitors in parallel all have the same potential differences. The equivalent capacitance of the parallel capacitors also will have the same potential difference. Capacitors in series all have the same charge. The equivalent capacitor of the series capacitors also will have the same charge.

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Clicker Question 25B-1 A group of capacitors is connected to a voltage source. Which of the following pairs of capacitors have the same amount of charge? A) The 4 μ F capacitor and the 2 μ F capacitor. B) The 4 μ F capacitor and the 8 μ F capacitor. C) The 24 μ F capacitor and the 2 μ F capacitor. D) The 24 μ F capacitor and the 8 μ F capacitor. E) All four capacitors have the same amount of charge.
For Next Time (FNT) Finish reading Chapter 25 Keep working on the homework for Chapter 25
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