Resistivity of a wire that is wound close on a cylinder

[curiosity colour]

Homework Statement

Homework Equations

R= pl/A
effective resistance= 1/R

The Attempt at a Solution

I'm honestly don't know where to start, althought I know i need to do something with the 200 coils first, but I have no idea what should be done with it

 

[cnh1995]

Homework Statement

View attachment 208708

Homework Equations

R= pl/A
effective resistance= 1/R

The Attempt at a Solution

I'm honestly don't know where to start, althought I know i need to do something with the 200 coils first, but I have no idea what should be done with it

You can start with a diagram. It is mandatory here to show some efforts on your own.

 

[curiosity colour]

You can start with a diagram. It is mandatory here to show some efforts on your own.

I think it's should look like this, with the wire wound closely together( please excuse my horrible drawing).