electricity equations Flashcards
1
Q
Power, voltage & current.
A
P= V x I
2
Q
Voltage, current & resistance.
A
V = I x R
3
Q
Charge, current & time.
A
Q = I x T
4
Q
Energy, voltage & charge
A
E= V x Q
5
Q
Energy, voltage, current & time.
A
E= V x I x T
6
Q
Cost, Units.
A
Total cost = number of units x cost per unit.
