what is the resistivity of an wire if the length of this wire doubled
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Answered by
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Answer: 4 times of the original length
Explanation: Let's say the length was L and resistivity X then if the length is doubled its
new resistivity will be 4X
as Resistivity is directly proportional to length squared
Answered by
1
Explanation:
As a wire gets longer its resistance increases , and as it gets thinner its resistances also increases because its cross sectional area decreases . doubling the length will double the resistance.
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