If a wire of resistance R is melted and recasted to half of its length – McqOptions

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1.	If a wire of resistance R is melted and recasted to half of its length, then the new resistance of the wire will be [KCET (Med.) 2001]
A.	R/4
B.	R/2
C.	R
D.	2R
Answer» B. R/2

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