Joule's Law Simulator

Interactive Power & Heat Energy Calculator

P = V × I (Voltage & Current) P = V² / R (Voltage & Resistance) P = I² × R (Current & Resistance)

24.00

Watts

~12.0°C rise

Voltage (V): 12 V

Current (I): 2 A

Time Duration: 10 seconds

12.00 V

2.000 A

6.000 Ω

24.000 W

Joules per second

240.00 J

Heat generated in 10 seconds

ACTIVE

CH1 - VOLTAGE

12.00 V

CH2 - CURRENT

2.000 A

CH3 - POWER

24.00 W

CH4 - ENERGY

240.0 J

P = V × I

Power equals voltage times current

P = V² / R

Power equals voltage squared divided by resistance

P = I² × R

Power equals current squared times resistance

Energy Formula: E = P × t (Total energy in Joules equals power times time)