Electricity Flashcards
1
Q
What is meant by current?
A
The rate of flow of charge (measured in Coulombs per second)
2
Q
Define potential difference.
A
The potential amount of energy per coulomb between 2 different points on a circuit.
3
Q
Define electric charge
A
How positive or negatively charged something is - the property the particles have that cause them to attract or repel each other.
4
Q
What is the equation for resistance?
A
V=IR
V=potential difference (volts)
I=current (amps)
R=resistance
