Compute all parts of given question:
Question: A 0.20mm diameter copper wire is 13m long.
Part I: Find its resistance?
Part II: What is the power dissipation in the wire if the potential difference across its ends is 14V?
Part III: Repeat part (I) if the wire is immersed in liquid nitrogen at 77 K?
Part IV: Repeat part (II) if the wire is immersed in liquid nitrogen at 77 K?