Standard Science Primary 5 Systems

Siti set up a circuit with a battery, a bulb, and an object placed at position X. The bulb did not light up. Which of the following could the object be?

A A copper wire
B A silver coin
C An iron nail
D A plastic ruler
Show Worked Solution

Worked Solution

Step 1: The bulb did not light up, meaning the circuit is open or contains an insulator. Step 2: Identify insulators from the list. Step 3: Plastic is a non-conductor of electricity.

Correct answer: A plastic ruler

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