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Q.

1 watt is the power of an appliance that consumes:

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a

1 kWof energy per second

b

1 joule of energy per second

c

1 joule of energy per second square

d

None of these

answer is B.

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Detailed Solution

Concept: The SI unit of power is the watt. Define the fundamental concept of power and describe it in terms of the basic physical quantities required to produce one watt.

As we know that, Watt is a power unit denoted by the letter W. It is defined in the International System of Units (SI) as 1 Joule energy used per second and is used to quantify the rate of energy transfer with respect to time.


 

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