Siti set up a circuit with two identical bulbs and two identical batteries. She noticed that the bulbs in Setup B were brighter than the bulbs in Setup A. Which of the following explains this?
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Worked Solution
Step 1: In a parallel circuit, each bulb receives the full voltage of the batteries.
Step 2: In a series circuit, the voltage is shared between bulbs.
Step 3: Therefore, bulbs in parallel are brighter than bulbs in series with the same power source.
Correct answer: The bulbs in Setup B are arranged in parallel.
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