4.1.1: Charge Flashcards
1
Q
Current
A
Rate of flow of charge
I = Q/t
2
Q
Unit of charge
A
Coulomb
3
Q
Elementary charge e
A
1.6x10^-19 C
4
Q
Net charge
A
Net charge on a particle or object is quantised and a multiple of e
5
Q
Current
A
The movement of electrons in metals and ions in electrolytes
6
Q
Conventional current
A
Positive to negative
7
Q
Electron flow
A
Negative to Positive
8
Q
Kirchhoff’s First Law: Conservation of Charge
A
Total current flowing into a junction is equal to total current flowing out of a junction
