Question

Uniform metal wire of resistance R is stretched to twice its length now this wire is halved and the two halves are connected in parallel. The equivalent resistance is ?

Answer 1

Answer:

Your resistance is doubled. Resistivity is property of wire material so it remains the same. ... Resistivity of the material depends only on the material used. and any change in its length or area will not affect its Resistivity.

Explanation:

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