The resistance of a wire of length l and area of cross-section a is × – McqOptions

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1.	The resistance of a wire of length l and area of cross-section a is × ohm. If the wire is stretched to double its length, its resistance would become
A.	2 × ohm
B.	0.5 × ohm
C.	4 × ohm
D.	6 × ohm
Answer» D. 6 × ohm

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