Question

What is a fuse wire?

Answer 1

This law is also known as loop rule or voltage law (KVL) and according

to it “the algebraic sum of the changes in potential in complete traversal of a mesh (closed loop) is zero”, i.e.

V = 0

Answer 2

Fuse wire is thin wire used in an electric fuse.
The fuse wire is made of zinc, copper, silver, aluminum, or alloys to provide stable and predictable characteristics