Question

Which of the following is not a conductor? a. Copper wire b. Glass c. Sea water d. Graphite

Answer 1

Glass is not a conductor. It is an insulator.

Difference Between Conductor and Insulator

What are Conductors:

• Conductors are materials that easily allow electricity to pass through them.
• The property of a conductor to conduct electricity is known as conductivity and the force required to make the flow of current is known as voltage.
• Examples of Conductors include copper, water, iron, the human body, etc.

What are Insulators?

• The materials that do not allow electricity to pass through them are known as insulators.
• Unlike conductors, electrons do not move freely in insulators.
• Examples of insulators are plastic, wood, glass, etc.

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Learn more about Semi-conductors

What is a semiconductor?

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