Question

3. The resistance of wires of length 30 cm and of uniform area of cross
section 0.025 cm² is found to be 1.50 ev. calculate the resistwrity of the
were.​

Answer 1

Explanation:

resistivity =resistance*area/length

= 1.5*0.025*10^-4/(30*10^-2)

=1.25*10^-5 ohm