Current & Charge

Question 1

What is required to make an electric current pass around a circuit?

Answer 1

The circuit must be complete and there must be a source of potential difference, such as a battery in the circuit.

Question 2

What is the electric current?

Answer 2

• The electric current is the rate of flow of charge in the wire or component.
• Electric current is a net movement or flow of charge in a given direction.

Question 3

What is electric current caused by?

Answer 3

Caused by the passage of charged particles.

Question 4

What are charge carriers?

Answer 4

• Charge carriers are charged particles that cause electric current.
• The current is due to the passage of charged particles.