What is meant by electrical power ? The ratin
of a bulb is written as 220 V-100 W-what is it
meaning ?
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It means this bulb can work at 220 volt and the power consumed is 100 watt.
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Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit. The SI unit of power is the watt, one joule per second. Electric power is usually produced by electric generators, but can also be supplied by sources such as electric batteries.
The mark 100w, 220v on an electric bulb means that the bulb has a power of 100 watts and the potential difference applied across the terminals of the bulb is 220 volts.
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