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PHYSICS

JAMB 2015 - Question 2

Physics 2015 JAMB Past Questions - Question 2: Which of the following materials is a conductor?

Choose the correct answers from the options given.

Which of the following materials is a conductor?

A: Plastic

B: Sodium

C: Wax

D: Glass .

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Correct Answer

Explanation

The following materials are conductors:

1. Copper
2. Aluminum
3. Silver
4. Gold
5. Iron (to a lesser extent)
6. Brass
7. Bronze
8. Graphite (in the form of a pencil lead)
9. Some types of water (when it contains dissolved ions)

These materials have high electrical conductivity, allowing electric current to flow through them easily.