Electricity

Front

What does 'transform' mean in the context of energy?

Back

Change form.

Front

In a lamp, electrical energy is transformed into what type of energy?

Back

Radiant energy.

Front

What conclusion can be drawn about electromagnets from an experiment?

Back

The more times the wire is coiled around the nail, the stronger the electro-magnet.

Front

What is created by wrapping a wire around iron and creating a closed circuit?

Back

Electromagnet.

Front

What do we call materials that allow electricity to flow easily?

Back

Conductors.

Front

What do we call materials that do not allow electricity to flow easily?

Back

Insulators.

Front

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

Back

It provides electrical energy.

Front

What happens to the strength of an electromagnet when more coils of wire are added?

Back

The strength increases.

Front

What is the flow of electric charge called?

Back

Electric current.

Front

What is the unit of electric current?

Back

Ampere (A).