Physics Class 10

Power consumption

Why does a 100W bulb consume more electricity than a 40W bulb?

uniboardhub
Asked on 01/11/2025 166 views
1 answers 50 votes

1 Answers

uniboardhub
4 months ago

Power = energy consumed per second. A 100W bulb converts 100 joules/sec into light + heat, while a 40W bulb converts only 40 joules/sec. That's why your electricity bill depends on wattage ?- hours used.

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