Standard Science Primary 5 Systems

Luke tested four objects (P, Q, R, S) in a circuit to see if they were conductors of electricity. The bulb only lit up when P and R were used. Which of the following objects are insulators?

A Q and S
B P and R
C P and Q
D R and S
Show Worked Solution

Worked Solution

Step 1: If the bulb lights up, the object is a conductor. Step 2: P and R allowed electricity to flow. Step 3: Q and S did not allow flow, making them insulators.

Correct answer: Q and S

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