Chemistry, asked by smartadeeb7696, 1 year ago

Two copper wires A and B of length 30m and 10m have radii 2cm and 1cm respectively. Compare the
resistances of the wires.

Answers

Answered by anu199706
3
resistanc= resistivity×length /cross sectional area

Resistivity is same for same material.
Ra/Rb = 30/4/10/1 = 3/4 is the ratio of A to B .
Similar questions