How to measure the diameter of wire There is a long, thin wire, which looks like hair. How to measure the diameter of the wire roughly with a scale? Write down what you do

How to measure the diameter of wire There is a long, thin wire, which looks like hair. How to measure the diameter of the wire roughly with a scale? Write down what you do

This is the measurement method of junior high school. If the wire is tightly wound on the surface of the cylinder (such as with a pencil), the length L of all the wires is measured with a scale, and n turns are counted, then the measured wire diameter is d = L / n