if a wire is cut in to n pices.what will be the total resistance of the system if all pices are connected in parallel

Asked by  | 11th Sep, 2012, 01:35: AM

Expert Answer:

each pieces will have resistance=r/n
 
as they are connected in parallel,the net resistance:
1/R=n x 1/(r/n)=n2/r
R=r/n2

Answered by  | 11th Sep, 2012, 04:46: PM

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