Worksheet3A

Start with the last diagram with the battery and the

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Unformatted text preview: µF) into a C12 = 4 µF + 12 µF circuit with one equivalent capacitor, showing all 9V his work. C12 = 16 µF C3 9V C12 C3 in series 1 1 1 = + C123 16 µF 2 µF C123 = 9V Physics 1B, Winter 2014 Worksheet 3A 16 µF 9 C123 3 a. Start with the last diagram, with the battery and the single equivalent capacitor. Next to his work, determine the total charge (Q) and voltage difference (ΔV) of this equivalent capacitor. b. Now, work with the second diagram. Using what we know about capacitors in series, should the charge or voltage difference of these two capacitors be equal to that of the equivalent capacitor? Once you figure out the parameter (Q or ΔV) that is the same, use Q = C ΔV to determine the other. c. Nothing changes about C3, so that information is unchanged. Repeat the previous step for the two other two capacitors that are in parallel (is Q or ΔV the same as the equivalent capacitor?). You should now have the charge and voltage difference for each capacitor. 5. The circuit to right illustrates a 9 V battery and three capacitors (C1 = 4 µF; C2 = 12 µF; C3 = 2 µF). C1 a. Determine the equivalent capacitance of the circuit, C3 9V showing each step as is done above. b. Determine the charge and voltage difference of each C2 capacitor, showing each step as is done above. Physics 1B, Winter 2014 Worksheet 3A 4...
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