Question

Two identical wires one made of nichrome and other of aluminium are
connected in series in a circuit which has a 1 A fuse and a current is passed
through them. State the change observed in the temperatures of the two wires.​

Answer 1

Answer:

Resistance of nichrome is greater than copper wire of same length and same radius, because the former has greater resistivity.

In series, Power loss P=I

2

R. Because of higher resistance power loss and heating up of nichrome wire is more than that of copper.

Explanation:

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Answer 2

You will see that nicrome wire is getting hot earlier than the copper wire because it has higher resistivity than copper so it will convert the electrical energy into heat energy more earlier than copper wire . And the law here applied is called as Joule's Law Of Heating H=I^2×R×T Which states that heat is directly proportional to current,resistance and time