There are two electric bulbs of 40 W and 100 W. Which one will be brighter when first connected in series and then in parallel,
Text Solution
Verified by ExpertsThe correct answer is:
A
.
Resistance of 40 W bulb is 
times than 100 W.
In series, 
and in parallel,
.
So 40 W in series and 100 W in parallel will glow brighter.
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