Home » Power Calculations » 17 » a A resistor of 10 kilohm carries a current of 20 mA. The power dissipated in the resistor is:   a.   2 watt   b.   4 watt   c.   20 watt   d.   40 watt Your answer "a" is not correct. "b" is the right answer. P = I squared x R = 0.02 x 0.02 x 10,000 = 4 watts. Next