P3.2.1 - Circuits and potential difference Flashcards
1
Q
What is potential difference?
A
Potential difference is the difference in voltage between 2 points
2
Q
What is potential difference measured with?
A
a voltmeter
3
Q
What is potential difference measured in?
A
volts
4
Q
What is the link between potential difference, energy and charge?
A
energy transferred (J) = potential difference (V) x charge (C)
5
Q
What is voltage?
A
It is a measure of the energy carried by the current per coulomb of charge
