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प्रश्न
Define watt. Write down an equation linking watts, volts and amperes.
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उत्तर
Watt is the unit of power. One watt can be defined as the power consumed by an electrical device if it is operated at a potential difference of 1 V and it carries a current of 1 A. That is:
1 watt = 1 volt x 1 ampere
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