Question

Which of the following is a conductor of electricity?

• A. Glass
• B. Wood
• C. Ebonite
• D. Graphite

Answer 1

The correct option is D

Graphite

The explanation for the correct option:

1. A conductor is an object or type of material that allows the flow of charge because of the presence of free electrons in them.
2. Graphite is a very good conductor of electricity.

The explanation for the incorrect option:

1. Glass, wood, and ebonite do not allow electricity to pass through them.
2. Because of the absence of free electrons.
3. So, options (A), (B), and (C) are incorrect.

Hence, the correct option is (D).