Electricity REVIEW 2024 EDW

Front

What are the energy transformations in a hand generator?

Back

Mechanical → electrical → light

Front

What is current in an electrical circuit?

Back

Rate that charge (electrons) flow past a certain point in a circuit

Front

What is a compass aligned to when the wire is not connected to the battery?

Back

Earth's magnetic field

Front

What happens when a wire is connected to a battery’s terminals?

Back

Electricity flows through the wire from one terminal to the other

Front

What energy transformation occurs when eating a big breakfast before a race?

Back

Chemical → mechanical

Front

What is electricity?

Back

A form of energy resulting from the flow of electric charge.

Front

What is a circuit?

Back

A closed loop that allows electricity to flow.

Front

What is voltage?

Back

The electrical potential difference between two points in a circuit.

Front

What is resistance?

Back

The opposition to the flow of electric current.

Front

What is a conductor?

Back

A material that allows electricity to flow through it easily.