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Home » Power Calculations » 6 » b A current of 500 milliamp passes through a 1000 ohm resistance. The power dissipated is: a. 0.25 watt b. c. 25 watt d. 250 watt Your answer "b" is not correct. "d" is the right answer. P = I squared x R = 0.5 x 0.5 x 1000 = 250 watts. Next |