Question 1 Define the term electrical energy? Question 2 Define the term electric power? Question 3 What is the SI unit of power? Question 4 What is the commercial unit of KWh? Electrical Energy The work done by a source of electricity to maintain a current in an electrical circuit is called as electrical energy. q= It W= Vq W= VIt E= VIt … [Read more...] about Electrical Energy and Power
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Power
Question 1 A body does 20 joules of work in 5 sec. What is its power? Question 2 What is the power of a pump which takes 10 sec to lift 100 kg of water tank situated at a height of 20 m? Question 3 Define the term power? Question 4 Give the S.I. unit of power? Question 5 Define the term watt? Question 6 How many watts equal one horse power? Question 7 The … [Read more...] about Power