Question

2. Based on the conduction of electricity ,substances are divided into two categories namely conductors and insulators. Those substances which allow electricity to pass through them are called conductors. Those substances which do not allow electricity to pass through them are called insulators. In conductors the electrons are called ‘free electrons’ which are loosely held by the nuclei of their atoms. These electrons are free to move from one atom to another atom throughout the conductor. Hence, the presence of electrons is accountable for their ability to conduct electricity through them .In insulators ,there are no free electrons as they are tightly or strongly held by the nuclei of their atoms. Thus, electrons cannot move from one atom to another atom as the insulators does not allow the charges to flow through it.



i) Name one conductor and insulator material.


ii) Why are conductors different from the insulators?


iii) Why conductor wires have rubbery coating?​

Answer 1

Answer:

1. 1st conducter- copper
2. Insulator- plastic

• 2nd current would pass through conducter but not through insulator

1. current would not pass through our body so wires are coated with rubber

Explanation:

rubber are insulator