If the length of a resistance wire is doubled and its cross-sectional area is halved, then the resistivity would

If the length of a resistance wire is doubled and its cross-sectional

1.	If the length of a resistance wire is doubled and its cross-sectional area is halved, then the resistivity would
A.	increase two times
B.	increase four times
C.	increase eight times
D.	remain unchanged
Answer» E.

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If the length of a resistance wire is doubled and its cross-sectional area is halved, then the resistivity would

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