Potential difference

Match the following

• A particle with a negative charge

• Electron

• Flow of charge

• Current

• The energy that a power source gives

• Charge

• Can be positive or negative

• Potential difference

• The unit for potential difference

• Volt

True or false - metals always contain charged particles, even when they are not attached to a power source.

• True

• False

True or false - a power source pushes all the electrons in one direction

• True

• False

Potential difference is measured in...

• Amps

• Volts

• Coulombs

• Ohms

What do we use to measure potential difference?

• Ammeter

• Newton meter

• Light meter

• Voltmeter

If I add another cell to a circuit, the potential difference will...

• Increase

• Decrease

If I add another bulb, the potential difference will...

• Increase

• Decrease