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For an electric iron consuming 1 kW at 220 V, the current drawn is approximately 4.54 A. The correct fuse rating to use would be:

Question
For an electric iron consuming 1 kW at 220 V, the current drawn is approximately 4.54 A. The correct fuse rating to use would be:
1 A
3 A
5 A
10 A
Answer
5 A
Detailed Explanation
As stated in the chapter, since the current is 4.54 A, a 5 A fuse (the next standard rating above the drawn current) must be used.
What is the SI unit of electric current? Science · Electricity Electric current is defined as the rate of flow of: Science · Electricity The direction of conventional electric current in a circuit is taken as the direction of flow of: Science · Electricity One coulomb of charge is equivalent to the charge of nearly: Science · Electricity

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