Two metallic wires A and B of the same material are connected in parallel.wire A has length l and radius r ,wire B has a length 21 and radius 2r.caluculate the ratio of the equivalent resistance in parallel combination and the resistance of wire A....
Answers
Answered by
1
2:1,
equivalent resistance = rho l/(2 pi r sq.) ...i
resistance of A = rho l/(pi r sq.) ...ii
i/ii =
2:1
equivalent resistance = rho l/(2 pi r sq.) ...i
resistance of A = rho l/(pi r sq.) ...ii
i/ii =
2:1
Similar questions