Question

A negligibly small current is passed through a
wire of length 15 m and uniform cross section
6.0 x 10-7 m² and its resistance is measured to
be 5.0 12. What is the resistivity of the material
at the temperature of the experiment?​

Answer 1

$\huge\red{\mid{\fbox{\tt{ANSWER}}\mid}}$

A negligibly small current is passed through a wire of length 15 m and uniform cross-section 6.0 x 10-7 m2, and its resistance is measured to be 5.0 Ω.

Answer 2

Answer:

Let resistivity coefficient be ρ

R=ρ

A

l

ρ=

l

RA

ρ=2×10

−7

Ωm