MathematicsA lamp consumes 1000J of electrical energy in 10s. What will be its power?

A lamp consumes 1000J of electrical energy in 10s. What will be its power?


  1. A
    1000 W
  2. B
    100 W
  3. C
    0.1 W
  4. D
    0.01 W 

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    Solution:

    Concept- The amount of work done in a given amount of time is referred to as power. The SI unit of power is watts (W).
    The mathematical expression would be written as-
    Given,
    Work done = 1000 J and time = 10 sec
    Therefore,
    Hence, the correct answer is option 2.
     
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