The basics of electricity

Front

What is electricity?

Back

Electricity is the flow of electric charge, typically carried by electrons, which can be used to power devices and systems.

Front

What is a conductor?

Back

A conductor is a material that allows electrons to flow freely, enabling the conduction of electricity. Examples include metals like copper and aluminum.

Front

What is an insulator?

Back

An insulator is a material that does not conduct electricity well, preventing the flow of electric charge. Examples include rubber and plastic.

Front

Who is Thomas Edison?

Back

Thomas Edison was a famous American inventor known for his contributions to the development of electric light and power systems.

Front

What is a switch?

Back

A switch is a device that opens or closes an electrical circuit, allowing or stopping the flow of electricity.

Front

What is the significance of the late 1800s in electricity?

Back

The late 1800s marked the establishment of the first electrical power plants and the beginning of widespread electrical distribution.

Front

What was the first town in South Africa to have electric streetlights?

Back

Kimberley was the first town in South Africa to have electric streetlights.

Front

What is the role of a cell in an electrical circuit?

Back

A cell is a device that converts chemical energy into electrical energy, providing the power needed for the circuit.

Front

What is the difference between AC and DC electricity?

Back

AC (Alternating Current) is electricity that reverses direction periodically, while DC (Direct Current) flows in one direction only.

Front

What is the function of a circuit breaker?

Back

A circuit breaker is a safety device that automatically stops the flow of electricity in a circuit when it detects an overload or fault.