A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is___________? August 11, 2021June 24, 2018 by admin A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is___________? A. 400 Q B. 600 Q C. 800 Q D. 1000 Q