Home » Power Calculations » 8 » c If 200 volt is applied to a 2000 ohm resistor, the resistor will dissipate: a. 20 watt b. 30 watt c. d. 40 watt Your answer "c" is not correct. "a" is the right answer. P = E squared / R = 200 x 200 / 2000 = 20 watts. Next |