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Q.

Is it true that 1 watt is the power of an appliance which does work at the rate of 1 joule per second?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
1 watt is the power of an appliance which consumes energy at the rate of 1 joule per second.
1 watt =1 J1 s 
Watt is the SI unit of power. A Watt is the unit of measure for calculating the power of a circuit or work done per unit of time. We use kilowatts instead of watts because watts are small, similar to how kilogrammes are used instead of grammes to measure larger objects.
 
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