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प्रश्न
उत्तर
Given power P = 3k W = 3000 W, Voltage = 250 V
We know that, P =VI
`"I" = "P"/"V" = 3000/250 = 12 "A"`
Thus am aximum of 12 A current can pass through the electric wire
and a fuse of rating 13 A should be used with it
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