Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as________? August 11, 2021June 25, 2018 by admin Two bulbs of 500 W and 200 W rated at 250 V will have resistance ratio as________? A. 4 : 25 B. 25 : 4 C. 2 : 5 D. 5 : 2