Siti set up the circuit below. However, the bulb did not light up even though the batteries and bulb were new. What could be the reason?
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Worked Solution
Step 1: For a bulb to light, there must be a closed loop of conductors.
Step 2: If components are working but it fails, there is a break or an insulator in the path.
Step 3: An insulator prevents current flow.
Correct answer: One of the wires is connected to an insulator.
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