Ask Question
11 January, 05:26

A rod (length = 80 cm) with a rectangular cross section (1.5 mm * 2.0 mm) has a resistance of 0.20 Ω. What is the resistivity of the material used to make the rod?

+5
Answers (1)
  1. 11 January, 05:56
    0
    The resistivity of the material used to make the rod is ρ = 7.5 * 10⁻⁷ Ω. m

    Explanation:

    R = 0.2 Ω

    L = 0.8 m

    S = 1.5mm*2mm = 3 mm² = 3 * 10⁻⁶ m²

    ρ = (R*S) / L

    ρ = 7.5 * 10⁻⁷ Ω. m
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “A rod (length = 80 cm) with a rectangular cross section (1.5 mm * 2.0 mm) has a resistance of 0.20 Ω. What is the resistivity of the ...” in 📗 Physics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers