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
Answer: Answer: C
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
Answer: Answer: C