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Home » Power Calculations » 2 » d The DC input power of a transmitter operating at 12 volt and drawing 500 milliamp would be: a. 6 watt b. 12 watt c. 20 watt d. Your answer "d" is not correct. "a" is the right answer. P = E x I = 12 x 0.5 = 6 watts. Next |