Question

ᗪєfínє. (wíth 3 єхαmplєs).

α)ᑕσnductíσn.
b)Insulαtσr.
c)ᑕσnductíσn.​

Answer 1

Answer:

a) The process by which heat or electricity is directly transmitted through the material of a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.

Example:

•You can warm your back muscles with a heating pad. ...

•The heat from a hot liquid makes the cup itself hot. ...

•If you are cold and someone holds you to warm you, the heat is being conducted from their body to yours.

b) A substance which does not readily allow the passage of heat or sound.

Example:

plastics, Styrofoam, paper, rubber, glass and dry air.

Explanation:

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Answer 2

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1. the degree to which an object conducts electricity, calculated as the ratio of the current which flows to the potential difference present. This is the reciprocal of the resistance, and is measured in siemens or mhos.
2. An electrical insulator is a material in which electric current does not flow freely. The atoms of the insulator have tightly bound electrons which cannot readily move. Other materials, semiconductors and conductors conduct electric current more easily