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An air-conditioner of 3.2 kW power rating is connected to a domestic electric circuit having a current rating of 10 A. The voltage of power supply is 220 V. What will happen when this air-conditioner is switched on? Explain your answer.
Magnetic Effects of Electric Current
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02/08/2021 12:32 pm
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An air-conditioner of 3.2 kW power rating is connected to a domestic electric circuit having a current rating of 10 A. The voltage of power supply is 220 V. What will happen when this air-conditioner is switched on? Explain your answer.
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02/08/2021 12:34 pm
Given: P = 3.2kW = 3200W,
Fuse current rating = 10 A
V = 220 V
We have
P = VI
3200 = 220 x I
I = 14.54 A
As the required current for the air-conditioner is 14.54 A and the rated current of the fuse is 10A, so the fuse will blow cutting off the power supply.
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magnetic effects (388)
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