Electronics & Virtual Labs

Ohm's Law Bench

Explore the fundamental relationship between voltage, current, resistance, and electrical power by manipulating a real-time simulated circuit with animated current flow, live mathematical derivations, and challenge missions.

Ohm’s Law Bench

Interactive Workbench

Virtual DC circuit simulator with real-time Ohm’s Law & electrical power calculations

Circuit: OPEN / DE-ENERGIZED

Current-flow visualization

Measured Voltage (V)

0.00 V

Across Resistor

Measured Current (I)

0.00 mA

Through Loop

Circuit Resistance (R)

1 kΩ

Axial Load

Power Dissipated (P)

0.00 mW

Heat Dissipation

DC Bench Voltage:12.00 V

0.0 V (Min)12.0 V (Nominal)24.0 V (Max)

Resistor Value:1 kΩ4-Band Color Bands

Custom Resistance:

10 Ω1 kΩ10 kΩ

Color Bands:

brownblackredgold

Resistor Power Rating:

Live Equation Breakdown

Step-by-Step

Ohm’s Law Formula:I = V / R

I = 0.00 V / 1000 Ω

I = 0.00000 A

I = 0.00 mA

Joule’s Electrical Power:P = V × I = I²R = V²/R

P = 0.00 V × 0.0000 A

P = 0.00 mW

Core Physical Insight: Voltage represents the electromotive force pushing charges; Resistance represents the atomic collisions resisting that flow. Current is the resulting rate of charge movement.

Mathematical Formulation & Engineering Notes

V = I · R, I = V / R, R = V / I, P = V · I = I² · R = V² / R. Slope G = 1/R on I–V characteristic curve.