A wire 2 m long, 0.1 mm in diameter and has resistance of 20 ohm. Calculate the resistivityof its material.

Question

07-07-2014
Physics

Answered

A wire 2 m long, 0.1 mm in diameter and has resistance of 20 ohm. Calculate the resistivityof its material.

Verified Answer :

Related Questions

Which type of scientific statement is defined as a hypothesis or group of hypotheses that can be accepted as true based on repeated experimentation with similar

where are the largest gold deposits found

Find the difference between 902 147

what policy allowed people from both Britain and the United States to settle in Oregon country Arendevous BManifest destiny CJoint Occupation DOregon Country Oc

Divide the following polynomials and then enter the quotient Write your answer in the descending powers of x

Which of the following economic activities flourished in the Middle colonies Mining because the mountains in the region had many gold deposits Shipbuilding beca

Suppose that tex2000 is invested at a rate of 54 compounded monthly Assuming that no withdrawals are made find the total amount after 10 years Do not round any

Whats the concept of mass

Who said Well have a dozen Koreas soon if we dont take a firm stand

luana luana · Answer 1 · 2014-07-29T20:33:29-04:00

luana luana

29-07-2014

R=\(\frac{pL}{A}\)

R-resistance
p-resistivity [Ohmm]
A-cross sectional area
L-length
R=20 Ohm
l=2m
A=\(\pi r^{2}\)=\(\pi (0,01)^{2} =0,000314 cm^{2}\)=0,314\(10^{-7}\)m²
p=\(\frac{R*A}{L}\)
p=\(\frac{20*0,314*10^{-7}}{2}\)=0,000000314 Ohm*m

Answer Link