Electrecity Equations Flashcards
(6 cards)
1
Q
What equation will make you find power?
A
P=VxI
Power=voltage x current
2
Q
What equation will make you find Voltage?
A
V=IxR
Voltage=current x resistance
3
Q
What equation will make you find charge?
A
Q=IxT
Charge=current x time
4
Q
What equations will make you find energy?
A
E=VxQ Energy=voltage x charge Or E=VxIxt Energy=voltage x current x time
5
Q
What is the transformer equation?
A
Vp/Vs = Np/Ns
6
Q
What is the total cost equation?
A
Total cost= number of units x cost per unit