Foundation Science Primary 5 Systems

Which of the following materials is an electrical insulator?

A Copper
B Iron
C Rubber
D Aluminum
Show Worked Solution

Worked Solution

Step 1: Conductors allow electricity to flow; insulators do not. Step 2: Most metals are conductors. Step 3: Rubber, plastic, and wood are insulators.

Correct answer: Rubber

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free