Newton’s second law
Leave one of force, mass or acceleration empty.
Open a calculatorOhm’s law
V = I R. Power is V I. Fill exactly two of the three and the page solves the missing one. Units are volts, amperes and ohms. Not a circuit simulator.
V
A
Ω
Current
3 A
Voltage
12 V
Resistance
4 Ω
Power
36 W
Current: 3 A
12 V across 4 Ω is 3 A and 36 W. Three filled fields or one are not enough.
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An educational estimate. Not medical, tax or credit advice.