Question

potential difference across the conductor is 15 v and the current which flows is 3 ampere the resistive is 9 ohm area of cross section is 12 m sq find out the resistance of the conductor and the lenght​

Answer 1

Answer:

R = V/I

R = 15/3 = 5 ohm

R = p × l/ A

5 = p × l/12

p × l = 60