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The follow table shows electric appliances to be used in a home. The electrical rating for each appliance is shown. The fuses available are 5A,...

      

9. The follow table shows electric appliances to be used in a home. The electrical rating for each appliance is shown. The fuses available are 5A, 15A, 30A and 45 A
Appliance-----voltage(V)-----Power(w)
T.V.----------240----------300
Iron box------240----------720
Electrical kettle--240----2400
Determine which one of the fuses is suitable for the house.

  

Answers


joseph
Solution
P=IV
I= P/V
I. 300/240 =1.25 A (5A fuse) for the T.V.
II. 720/240=3 A (5A fuse for the iron box)
III. 2400/240 = 10A (15 A fuse for electrical kettle)

joseph rimiru answered the question on December 4, 2017 at 20:05


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