Question

nichrome wire of length L and radius R has a resistance 10 ohm how will the diameter of the wire change if the resistance has to remain the same.
please answer​

Answer 1

Answer:

Question :

(a) Nichrome wire of length L and radius 'R' has resistance of 10Ω. How would the resistance of the wire change when :

(i) Only length of the wire is doubled ?

(ii) Only diameter of the wire is doubled ? Justify your answer.

(b) Why element of electrical heating devices are made up of alloys ?

Explanation:

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