Home » Power Calculations » 6 » a A current of 500 milliamp passes through a 1000 ohm resistance. The power dissipated is: a. b. 2.5 watt c. 25 watt d. 250 watt Your answer "a" is not correct. "d" is the right answer. P = I squared x R = 0.5 x 0.5 x 1000 = 250 watts. Next |