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Two identical wires one of Nichrome and other copper are connected in series and a current I is passed through them.State the change observed in the temperature of the 2 wires .Justify your answer .State the law which explains the above observation.Hepl Plzz.... |
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Answer» We know that RESISTANCE is directly proportional to the temperature.since nichrome is an ALLOY so it has more resistance HENCE , it gets more heated.that is why we use nichrome wire in heater for producing more heat to COOK food.we know that alloy has more resistance than a metal. so nichrome has more heat produced capacity than copper wire.so copper has LESS temperature than nicrome. |
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