Resistance of a conductor of length 75cm is 3.25Ω. Calculate the leng – InterviewSolution

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1.

Resistance of a conductor of length 75cm is 3.25Ω. Calculate the length of a similar conductor, whose resistance is 13.25Ω.

Answer»

l₂ = ?

R₂ = 13.25Ω

l₁ = 75cm

R₁ = 3.25Ω

l₂/l₁ = R₂/R₁

l₂ = R₂l₁/R₁ = 13.25 x 75/3.25

l₂ = 305.76cm

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