Home » Power Calculations » 2 » c The DC input power of a transmitter operating at 12 volt and drawing 500 milliamp would be: a. 6 watt b. 12 watt c. d. 500 watt Your answer "c" is not correct. "a" is the right answer. P = E x I = 12 x 0.5 = 6 watts. Next |