Examples of insulating materials:

i) Solid: Ceramic, Porcelain, Mica, Glass, Rubber, Resinous, Fibers

ii) Liquid: Synthetic, Mineral etc.

iii) Gaseous: Hydrogen, Air, Nitrogen, Sulphur-hexa-fluoride

• Porcelain:

  Porcelain is widely used material in electric fields. In mineral form it can mix with water and when it is wet it can be easily …