Asked by brad

a piece of wire has a resistance of R , it is cut into three pieces of equal length,and the pieces are twisted together parallel to each other. what is the resistance of the resulting wire in terms of R
Answered by ayesha
nine
Answered by Sheec
R/3
Answered by Shfq
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
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