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PhysicsElectricity
Ohm's Law Explorer
Change voltage and resistance and watch current respond as V = IR.
Controls
6 V
12 Ω
Live result
Current I = V/R
0.5A
Power P = VI
3W
Current (A)0.5
Power (W)3
Live circuit — electron flowI = 0.5 A
Same electrons pass through every resistor — current is common, voltage divides. Bigger current = faster dots.
At 6 V across 12 Ω, current is 0.5 A. Doubling resistance halves the current.