Asked by Fanih
A conventinal light bulb is rated at 240 V (100 W).Ligths is emitted when the filament of the bulb gets whites hot.How many joules of energy does bulb transform each minute?
Answers
Answered by
just a dad
A Joule is a measure of energy. A Watt is a measure of energy per time.
More specifically, a Watt = 1 Joule per second.
So, your 100 Watt bulb uses 100 Joules per second.
60 seconds per minute. So, each minute, your bulb transforms 6000 Joules of electrical energy into light (and heat).
More specifically, a Watt = 1 Joule per second.
So, your 100 Watt bulb uses 100 Joules per second.
60 seconds per minute. So, each minute, your bulb transforms 6000 Joules of electrical energy into light (and heat).
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