Question

the resistance of a metal wire of length 1m is 22 ohm at 20 degrees Celcius. If the diameter of the wire is 0.4mm, what is the resistivity of the metal at the same temperature?

Answer 1

The given question is solved

Answer:

$2.8 \times {10}^{ - 6} ohm \: is \: the \: approx \\ answer$

Answer 2

Answer:

2.8*10^-6 explained in the image

jai bihar