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AP Physics 2
11.6 Kirchhoff’s Loop Rule
11.5 Compound Direct Current (DC) Circuits
BeginnerMCQConceptual14.7k
A schematic circuit diagram containing an ideal DC voltage source labeled 12 V on the left vertical wire, with the positive terminal at the top. Two horizontal main wires extend to the right from the positive and negative terminals. Three vertical parallel branches connect the top main wire to the bottom main wire. The first branch contains a light bulb resistor labeled 10 ohms. The second branch contains a light bulb resistor labeled 20 ohms. The third branch contains a light bulb resistor labeled 30 ohms. No other components or labels appear.
Three light bulbs connected in parallel across a 12 V source.
Three light bulbs with resistances of \(10\text{ }\Omega\), \(20\text{ }\Omega\), and \(30\text{ }\Omega\) are connected in parallel across an ideal \(12\text{ V}\) DC power source. How do the potential differences across the three light bulbs compare?

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