English, asked by sbtrickksp90utf, 1 year ago

Find new resistance of wire if it is stretched to twice its original length. Original resistance was 20 Ohm. Also how its resistivity will changes

Answers

Answered by Debosmita007

15

The new resistance will be 80 ohm
Resistivity remains the same

Hope it helps!!!

sbtrickksp90utf: Why same

Debosmita007: Resistivity of a substance depends upon the material of an object not on its length or breadth

vijsiddhi: Can you explain how did you get the resistance please?

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