Question

A wire of resistance R is divided into four equal parts if these parts are joined parallel to each other then find the total resistance of the combination

Answer 1

R = ρ×L/A

R₁ = R

R₂ = R/4

1/R₃ = 1(R/4) + 1(R/4) + 1(R/4) + 1(R/4)

1/R₃ = 16/R

R₃ = R/16

Answer 2

R/16

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