Ohm's Law Simulator

Voltage
12.0
Volts (V)
Current
0.12
Amperes (A)
Resistance
100
Ohms (Ω)
Power
1.44
Watts (W)
Voltage 12 V
1 V240 V
Resistance 100 Ω
1 Ω1000 Ω

Key Formulas

V = IR
I = V/R
R = V/I
P = V²/R
P = VI
P = I²R

Important Disclaimer

SparkStudy is an educational supplement tool designed to assist with electrician apprenticeship exam preparation. This platform does NOT guarantee passing any exam, certification, or achieving any particular score. Your results depend on your individual effort, prior knowledge, formal education, and hands-on training. By continuing, you acknowledge that SparkStudy and its operators accept no responsibility for your exam results or career outcomes. For full details, please review our Terms & Conditions.