Physics, asked by ashkaushik405, 11 months ago

A wire has a radius of 2 mm and a length of the 40cm. Of it's resistance is 20 m .what is it's resistivity??

Answers

Answered by awesome58

Answer:

4.9 ohm meter

Explanation:

Resistivity= Resistance× area of cross section/ length of wire

resistivity= 20×3.14×0.2×0.2/40

resistivity=4.9 ohm meter

Previous Question

Next Question

Similar questions

Math, 5 months ago

Biology, 5 months ago

Social Sciences, 5 months ago

Science, 11 months ago

Math, 11 months ago

Art, 1 year ago

English, 1 year ago

Physics, 1 year ago