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Physics
Electric Power
Compute electric power using P = IV = I²R = V²/R.
Live Calculator · Step-by-Step · Physics
Inputs
Known Values
I and V
I and R
V and R
Current I (A)
Voltage V (V)
Resistance R (Ω)
Time t (hours) for Energy
Calculate
Result
Result
Enter values and calculate.
Step-by-Step Work
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