Siti has a circuit with two bulbs and two batteries. She notices that when one bulb is removed, the other bulb remains lit. How are the bulbs arranged?
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Worked Solution
Step 1: Identify the observation (one bulb remains lit after the other is removed).
Step 2: Recognize that this means there is more than one path for electricity to flow.
Step 3: A parallel arrangement provides multiple paths for the current.
Correct answer: The bulbs are arranged in parallel.
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