Siti set up a circuit with two bulbs and two batteries. She noticed that when one bulb was removed, the other bulb remained lit. How were the bulbs arranged?
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Worked Solution
Step 1: Identify the observation (one bulb stays lit while another is removed).
Step 2: Recall that in a parallel circuit, there are multiple paths for electricity.
Step 3: If one path is broken, current can still flow through the other paths.
Step 4: Conclusion: Parallel arrangement.
Correct answer: The bulbs were arranged in parallel.
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