Home » Power Calculations » 19 » c A current of 10 ampere rms at a frequency of 50 Hz flows through a 100 ohm resistor. The power dissipated is:   a.   500 watt   b.   707 watt   c.   10,000 watt   d.   50,000 watt Your answer "c" is CORRECT! P = I squared x R = 10 x 10 x 100 = 10,000 watts. (10,000 watts can also be referred to as 10 kilowatts or 10 kW) Next