Joule Heating
P = I^2·R
What it says
The heat a resistor dissipates, which grows as the square of the current.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
P | Power (W) | M L^2 T^-3 |
I | Current (A) | I |
R | Resistance (Ω) | M L^2 T^-3 I^-2 |
Work it out
Enter what you know. No account needed.
Fill in all but one: I, R, P are all empty.
Connects to
Filed under Electromagnetism · derive through it in the explorer