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CBSE Class 10 Answered

<div> <p>A certain wire has a resistance R. The resistance of another wire identical with the first and having twice its diameter is</p> <p>a)2R</p> <p>b)4R</p> <p>c)0.5R</p> <p>d)0.25R</p> </div>
Asked by seeni2005 | 05 May, 2016, 12:37: PM
Expert Answer
A certain wire has a resistance R. The resistance of another wire identical with the first and having twice its diameter is
 
 

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