Standard Science Primary 6 Energy

Study the circuit diagram. If Bulb B1 fuses, what will happen to Bulb B2?

A Bulb B2 will remain lit.
B Bulb B2 will become brighter.
C Bulb B2 will unlight.
D Bulb B2 will flicker.
Show Worked Solution

Worked Solution

Step 1: Identify the circuit arrangement (Series). Step 2: Recognize that in series, a fused bulb breaks the entire path. Step 3: Current cannot flow to B2. Step 4: B2 will unlight.

Correct answer: Bulb B2 will unlight.

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