Standard Science Primary 6 Energy

Siti set up the circuit shown below. Which of the following statements is TRUE if Bulb 1 is fused?

A Bulb 2 will remain lit.
B The battery will overheat.
C Bulb 2 will unlit.
D The circuit remains closed.
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Worked Solution

Step 1: Identify the circuit type (Series). Step 2: Recognize that a fused bulb acts as an open switch. Step 3: In series, an open path stops current to all components. Step 4: Final Answer: Bulb 2 will unlit.

Correct answer: Bulb 2 will unlit.

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