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 40 W and 60 W rating at V 220 , 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

The specification of two electric bulbs are 100W at 220V and 1000W at 200V .Which bulb has higher residence? Find the ratio of their resistances.