Standard Science Primary 5 Systems

Study the circuit diagram. Why did the bulb NOT light up?

A There is a gap in the circuit.
B The batteries are arranged incorrectly.
C The battery is out of energy.
D The switch is open.
Show Worked Solution

Worked Solution

Step 1: Check the connections of all components. Step 2: The wires are connected, and the switch is closed. Step 3: Look at the batteries. The positive pole (+) of one battery is facing the positive pole (+) of the other. Step 4: Batteries must be arranged in a positive-to-negative sequence to allow current to flow.

Correct answer: The batteries are arranged incorrectly.

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