Question

If a a given wire is stretched n times its original length,then which one of the folllowing will not change:(a) Its resistance (b) its specific resistance (c) conductance. (d) nothing can be changed.

Answer 1

its specific resistance will not change

Answer 2

Answer:

There actually are simple... Since resistance is proportional to the area of this 2D cross section, as this section (You should be picturing a circle now) expands, the resistance is lowered, as it shrinks, the resistance is raised. ... A conducting wire of length L and area A is stretched to N times its original length

Explanation:

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