If two electric bulbs have 40 W and 60 W rating at V 220 , then the ratio of their resistances will be

If two electric bulbs have 40 W and 60 W rating at 220 V , then the ratio of their resistances will be

" If two electric bulbs have "40W" and "60W" rating at "220V" ,then the ratio of their resistances will be "

Two bulbs are marked 100 W, 220 V and 60 W, 110 V. Calculate the ratio of their resistances.

Two bulbs are marked 100 W, 220 V and 60 W, 110 V. Calculate the ratio of their resistances.

Two bulbs are marked 60 W and 40 W . What is the ratio of the resistance of their coils.

Two electric lamps of power 30 W and 60 W have the same voltage rating . Find the ratio of their resistances .

Two bulbs are rated 60 W, 220 V' and '60 W, 110 V respectively. Calculate the ratio of their resistances.

Two bulbs are marked 220V - 100 W and 110 V- 100W. The ratio of the resistances of the two bulbs is