Question

a room has AC run for 5 hrs a day at voltage of 220V. The wiring of room consists of copper wire of 1mm radius and length of 10m. power consumption per day is 10 commercial units .what fraction of it goes in the joule heating in wires? what would happen if the wiring is made up of aluminium of the same dimension?if row copper=1.7*10^-8ohm m,row aluminium=2.7*10^-8ohm m

Answer 1

Answer:

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Explanation:

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