Answer:

Step-by-step explanation:
We know (Ohm second law) that
where k inlcudes the rest of the parameters (material, lenght). In our situation we have k=
. The moment the diameter becomes 8mm R becomes

Hi,
i worked out the problem and I attached the picture
Answer:
p = 5
Step-by-step explanation:
1732(5)/9 = 1925
13/5 or 2 3/5 by the way nice profile picture