We are given three copper wires of different lengths and different are – McqOptions

MCQOPTIONS

1.	We are given three copper wires of different lengths and different areas of cross-section. Which one of the following would have highest resistivity ?
A.	Copper wire of 50 cm length and 1 mm diameter
B.	Copper wire of 25 cm length and 0-5 mm diameter
C.	Copper wire of 10 cm length and 2-0 mm diameter
D.	All the wires would have same resistivity
Answer» E.

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