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Showing posts with label recast. Show all posts
Showing posts with label recast. Show all posts

Friday 10 July 2015

If a wire of resistance R is melted and recast to half of its length, then the new resistance of the wire will be

Post 288

SSC CHSL Questions 2014

Question 197 If a wire of resistance R is melted and recast to half of its length, then the new resistance of the wire will be

A) R/4
B) R/2
C) R
D) 2R
Answer: R/2


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