Electrical Energy And Power Flashcards
0
Q
What is 1 watt equivalent to
A
1 joule per second
1
Q
What is power
A
The rate of transfer of energy
2
Q
What is the simple formula for power in electrical circuits
A
P=VI
3
Q
What is the equation that shows power is the rate of transfer of energy
A
P=E/t
4
Q
We know that P=VI and V=IR, so what can we do with the two equations
A
Combine them to form 3 other ones
P=VI
P=V^2/R
P=I^2R