As we know, Magnetic flux, \(\phi=B A\)
\(\frac{\mu_0(2)\left(20 \times 10^{-2}\right)^2}{2\left[(0.2)^2+(0.15)^2\right]} \times \pi\left(0.3 \times 10^{-2}\right)^2\)
on solving
\(=9.216 \times 10^{-11}\)
\(\approx 9.2 \times 10^{-11} \text { weber }\)
તારની અવરોધકતા $1.23 \times 10^{-8}\, \Omega m$ છે.