Which of the following is a ferrous metal?

Materials like rubber and plastic act as _______ to protect users from electric shocks.

Electricity flows through a _______ when the path is complete.

A _______ prevents overheating in electrical systems by breaking the circuit.

Copper is a good _______ because it allows electricity to flow easily.

What happens when a fuse blows?

Which unit is used to measure electric potential?

What do you call a closed path through which electricity flows?

Which device is used to control the flow of electricity in a circuit?

What is the name of a material that blocks the flow of electricity?