Intro. to Electricity

Front

What converts chemical energy into electrical energy?

Back

A cell.

Front

What must the electrodes of a cell have to produce a current?

Back

A potential difference.

Front

In what type of material do charges flow easily?

Back

Electrical conductor.

Front

What is lightning an example of?

Back

Electric discharge.

Front

What is the opposition to current by a material called?

Back

Resistance.

Front

What is a series circuit?

Back

A circuit where components are connected end-to-end, so the current flows through each component in turn.

Front

What is electric power?

Back

The rate at which electrical energy is transferred by an electric circuit.

Front

What is an electrical conductor?

Back

A material that allows the flow of electric current.

Front

What is resistance in an electrical context?

Back

The measure of the opposition to the flow of electric current.

Front

What is electric discharge?

Back

The release of electricity stored in a source, such as a battery or capacitor.