Standard Science Primary 6 Energy

Look at the circuit diagram. Why will the bulb NOT light up?

A The wires are not connected to the bulb.
B The bulb is fused.
C The switch is open.
D There is no battery.
Show Worked Solution

Worked Solution

Step 1: For a bulb to light up, there must be a closed circuit so electric current can flow. Step 2: Analyze the diagram. The switch component is in the 'open' position. Step 3: An open switch creates a gap, preventing current from flowing.

Correct answer: The switch is open.

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