Two wire A and B of copper have equal masses and the lengths

Last updated: 6/25/2023

Two wire A and B of copper have equal masses and the lengths are 10 cm and 20 cm respectively If resistance of A RA be RA and B be RB then the value of is RB 1 21 12 2 2 3 1 1 4 4 4 1 2 3 4