Standard Science Primary 6 Energy

Which of the following materials would allow the bulb in a circuit to light up if placed in the gap?

A Glass rod
B Steel paperclip
C Plastic ruler
D Rubber eraser
Show Worked Solution

Worked Solution

Step 1: For the bulb to light, the material must be an electrical conductor. Step 2: Metals are good conductors. Step 3: Steel is a metal, so the paperclip works.

Correct answer: Steel paperclip

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