Question

A copper wire has a diameter 0.5 mm and resistivity 1.6x10-8ohm m. (i) What will be the length of this wire to make the resistance of 12 Ὡ (ii) How much will be the resistance of another copper wire of same length but half the diameter?

Answer 1

Answer:

1.      122.72 m

2.      2.5 Ὡ

Explanation:

hope it helps

please mark as brainliest

please follow me friend