1.

Two wires are made of copper. Both wires are 1m long but wire A is 1mm thick and wire B is 2mm thick. The resistivity of A and B is?​

Answer»

Answer:

RESISTIVITY =¶(it MEANS rho) L/a

just substitute the VALUES for l and a

area, a = πr²

thanks



Discussion

No Comment Found

Related InterviewSolutions