# 2 bulbs of 500w and 200w are manufactured to operate on 220v line.What will be the ratio of heat produced in 500w and 200w bulb , when they are joined a)in parallel b)in series

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by coolharsh

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by coolharsh

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The Brainliest Answer!

a) in parallel

potential difference is same

so the ratio is

b) in series

current is same

so it is

calculate resistances using power=v

a)in parallel combination v is same

heat ratio can be calculated as=

b)similarly in series current is same

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