Question

Which of the following is not example of insulator?

a. iron nail

b. eraser

c Scale

d matchstick​

Answer 1

Iron nail is an excellent example of insulator because it is metal and metals are good conductor of heat and electricity

Iron (/ˈaɪərn/) is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. However, iron reacts readily with oxygen and water to give brown to black hydrated iron oxides, commonly known as rust.

Answer 2

Answer:

iron nail

Explanation:

as it's a metal it will conduct the electricity