Physics, asked by venusdemor8487, 1 year ago

Calculate the resistivity of the material of a wire 1.0 m long 0.4 mm in diameter and having a resistance of 2 ohm

Answers

Answered by vikas5815
2

2.512into10to the power 5

Answered by gparasuram606
4

resistance = resistivity * length / areaof sroosection

2 = ρ * 1 / (π*[0.2/1000]²)

ρ = 2 * π * 0.04 / 1000000

  = 2 * 3.14 * 0.04 * 10⁻⁶

  = 6.28 * 4 * 10⁻⁸

  = 2.51 * 10⁻⁷

your answer is 2.51 * 10⁻⁷

hope this helps

mark me as brainliest


gparasuram606: pls mark me as brainliest
Similar questions