If two electric bulbs one of 200V−40W and other of 200V−100W are connected in a domestic circuit, then
A
They have equal resistance
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B
The resistance of 100W bulb is more than 40W bulb
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C
They have equal current passing through them
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D
The resistance of 40W bulb is more than 100W bulb
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Solution
The correct option is D The resistance of 40W bulb is more than 100W bulb
Here, due to domestic circuit potential difference will be equal. P=V2RP∝1R
so, a bulb having high power will have less resistance.