The resistivity of iron is 
. The resistance of a iron wire of particular length and thickness is 1 
. If the length and the diameter of wire both are doubled, then the resistivity in ohm 
will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Resistivity of some material is its intrinsic property and is constant at particular temperature. Resistivity does not depend upon shape.
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