Electrical Power
P = V x I
What it means
Power delivered by a circuit: voltage times current. Also P = I² x R for resistive loads, showing why current is the enemy of wiring.
Variables
- P = Power (watts (W))
- V = Voltage (volts (V))
- I = Current (amperes (A))
Trades that use it
Learn the mathematics
Practice it in a game
Advertisement