The resistance of a wire is R. If the length of the wire is doubled by – McqOptions

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1.	The resistance of a wire is R. If the length of the wire is doubled by stretching, then the new resistance will be [Roorkee 1992; AFMC 1995; KCET 1993; AMU (Med.) 1999; CBSE PMT 1999; MP PET 2001; UPSEAT 2001]
A.	2R
B.	4R
C.	R
D.	\[\frac{R}{4}\]
Answer» C. R

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