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how P=VI is derived

how P=VI is derived
 

Grade:10

2 Answers

Saurabh Kumar
askIITians Faculty 2411 Points
6 years ago
P = W/t = (qV)/t = I V
Arun
25 Points
6 years ago
Let V=Potential Difference, E=Energy, Q=Charge, I=Current, t=Time
V=E/Q, So  E=QV.
Divide both sides by t.
E/t=QV/t
P=(Q/t)V        
P=VI (Because I=Q/t)

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