Question

Define one watt:

A

one joule per second

B

one second per joule

C

ten joules per second

D

voltage divided by current

E

resistance multiplied by voltage

Medium
Solution
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Correct option is A)

Watt is a SI unit of power which is defined as the energy per unit time   i.e  
Hence one watt is defined as one joule of energy used in one second.
 

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