Question

Three fuse of rating 3a 5a and 7a are available . which one of these will be most suitable operate and electric iron of 1kw power at 220v electric line justify your answer

Answer 1

Explanation:

Power=Voltage * Current

Max power consumed by the electric iron is given as :1000W

P (max)=V * I

1000=220 * i(max)

i (max) = 4.55

You can go for 5A fuse as 3A is too less and 7A will be too high

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