Teacher in middle school: "You have to learn all these formulas, nobody will be there help you later life." Me 2024: HER ChatGPT 40 How many watts would the equivalant of a 39 ohm resistor on 12 volt? & To calculate power (in watts) dissipated by 39-ohm with 12-volt supply, can use formula: P = Y where: V volts R ohms P=1 E 1 ~ 3.69 So, equivalent dissipation approximately watts.