All hydrocarbons are good insulators as they are covalent in nature and since kerosene is a pure mineral oil. Therefore, it does not let electricity to pass through it.
What is the poorest conductor of electricity?
Bismuth and tungsten are two metals which are poor conductors of electricity. There are many, but some include Aluminum, Bismuth, Gallium, Indium, Lead, Thallium, Tin, Ununhexium, Ununpentium, Ununquadium, and Ununtrium. The poorest conductor of heat among metals is Bismuth.
Why petrol is a poor conductor of electricity?
The typical value of the electrical conductivity of petrol is 25 pSm–1 . This is very low for petrol to conduct. So petrol is a poor conductor of electricity.
Which kerosene is the conductor?
Copper is considered to be a conductor because it “conducts” the electron current or flow of electrons fairly easily. Most metals are considered to be good conductors of electrical current. Copper is just one of the more popular materials that is used for conductors.
Which liquids are poor conductor of electricity?
Cellulose cannot conduct electricity so it is a poor conductor. i)Distilled water – Distilled water has no impurities in it, also it has no free electrons. So distilled water is a poor conductor of electricity.
Which metal is best conductor of electricity?
What Metal is the Best Conductor of Electricity?
- Silver. The best conductor of electricity is pure silver, but to no surprise, it is not one of the most commonly used metals to conduct electricity. …
- Copper. One of the most commonly used metals to conduct electricity is copper. …
Which metal is the poor conductor?
Tungsten and Bismuth are metals which are poor conductors of electricity. Stainless Steel is a poor conductor because it has an alloy structure.
Is kerosene a good or bad conductor of electricity?
Petrol and kerosene oil have very low electrical conductivity and hence they are poor electrical conductors (i.e. insulators).
Is milk a good conductor of electricity?
Milk is a good conductor of electricity because it contains water and lactic acids and other salts.
Is salt water good conductor of electricity?
This is because saltwater is a good conductor of electricity which makes ocean water a resource for renewable energy. Salt molecules are made of sodium ions and chloride ions. … These ions are what carry electricity through the water with an electric current.
What are 5 good conductors?
Is graphite a good conductor of electricity?
In a graphite molecule, one valence electron of each carbon atom remains free, Thus making graphite a good conductor of electricity.