electricity Flashcards
(4 cards)
1
Q
electric current is a flow of charge carriers
charge on charge carriers is quantised
A
2
Q
equations
A
-Q = It
- for a current-carrying conductor, the expression I = Anvq, where n is the number density of charge
carriers
- V = W / Q
- P = VI,
-P = I^2R
-P = V 2 / R
3
Q
potential difference across a component
A
the energy transferred per unit charge
4
Q
A
