Wed June 06, 2012 By: Jaideepsingh

two wires are of the same material but of different length and areas of cross section will their resistivity be same or different.justify your answer

Expert Reply
Mon June 11, 2012
their resistivity would be same but resistance resistance=R=?l/A  ,where l=length and A=areas of cross section  and ? depends on material which is same here.
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