Question

If the resistance of the wire of length 1.20m and diameter 0.4mm is found to be 2.5 ohm, what is the specific resistance of the material of the wire

Answer 1

Answer:

10^(-6)

Explanation:

rho=RA/l

put values in formula and get it

Answer 2

Answer:

Explanation:

Area of cross section is equals too 1.256×10^-7 by formulae pie d²÷4....

Now put the value in formula..

Hope it helps you