Answers

2015-05-13T17:04:17+05:30
The watt is a derived unit of power in the International System of Units (SI), . The unit is defined as joule per second and can be used to express the rate of energy conversion or transfer 
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2015-05-13T17:55:06+05:30
Power of an object is said to be 1 W if it does 1 joule of work in 1 s
[ i.e. watt =joule/second ]
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