Interactive Ohm's Law

See how voltage, current, and resistance work together. Adjust the values to explore Ohm's Law and watch how changing one affects the others.

VoSKILL Academy
Electrical Helper Low Voltage

Volts, Ohms and Amps

Ohm’s Law explained with water: pressure, pipe size, and flow

Tank height = pressure 120 V Volts push the flow Pipe squeeze = resistance 10 Ω Ohms fight the flow Flow = current 12 A Amps do the work Same thing as a circuit: 120 V source 10 Ω load A 12 A
120V
Volts: push (pressure)
10Ω
Ohms: resistance (pipe squeeze)
12A
Amps: current (flow)
1440W
Watts: power (V × A)
Holding
20 A breaker
12 A=120 V÷10 Ω
Amps = Volts ÷ Ohms. Cover the one you want and the other two tell you the math.

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VoSKILL AcademyLearn. Build. Lead.voskill.com(561) 221-2902West Palm Beach, FL

Why It Matters

Ohm's Law is one of the first concepts every electrician learns. Understanding how voltage, current, and resistance work together makes troubleshooting, wiring, and electrical calculations much easier.

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