Question

A wire of length 200m and area of cross section 1mm² has a resistance of 2kohm. Find the resistivity of the
material.​

Answer 1

Answer:

168⁵✓78 is your answer foll.ow me

Answer 2

Answer:

$r = p \times \frac{l}{a} \\ \\ p = resistivity \\ \\ p = \frac{ra}{l} \\ = \frac{2 \times {10}^{3} \times {10}^{ - 6} }{200} \\ = {10}^{ - 2} mm \\ \\ p = 0.01mm$