How do i add adsense to category page?

There is no such “page” in WP.
It should be
example.com/category/categoryname

You may want to study the Category Templates:
https://codex.www.ads-software.com/Category_Templates

You can also check out my BlixKrieg adsense template at https://www.utheguru.com – it does it all for you.

Cheers,

M

Lennoxtie,

This tutorial explains how to do exactly what your asking.