resistivity of a given copper wire of length 2m is 1.7*10^_8 ohm metre the wire is stretched so that its length becomes 4m find the new resistivity of the copper wire
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45
Answer:
CORRECT ANSWER IS HERE...
RESISTIVITY DO NOT GET CHANGED....
IT CHANGES ONLY IF MATERIAL CHANGES....
Answered by
3
Explanation:
Resistivity of every metal is different it is changing,when metal change
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