Question

Two bulbs of the following ratings :- (a) 40 W, 220 V (b) 20 W, 110 V. The ratio of the resistances will beImmersive Reader.
1:2
2:1
1:1
1:3

Answer 1

Answer:

thik it's 1:2

calculate R = V^2/R

Answer 2

Answer:

this is your ans.

I hope it helps you