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Shfq
Answers (2)
As R is inversly propotional to area so resistance will be R= 1÷A R= 1/4R
As we know that R is cutted into 3 equal parts and they are parallel to each other But we have to remember that we have resultant in terms of R Thus Rn=1/R1+1/R2+1/R3 As R1=R2=R3=R Thus 1/R+1/R+1/R=1/Rn 1/Rn=3/R Rn=R/3
