Power in a circuit
P = IV, I²R, or V²/R.
Calculator
How to use
Power
Pick the formula that matches knowns.
Educational use only. Check signs, units, and modeling assumptions (e.g. flat Earth g, no air resistance unless stated).
P = IV, I²R, or V²/R.
Pick the formula that matches knowns.
Educational use only. Check signs, units, and modeling assumptions (e.g. flat Earth g, no air resistance unless stated).
Model / formula
P = IV = I²R = V²/R
Result
24.0000 W (P = IV)