What are types of classification of sectors? On what basis are they classified
Answers
Answer:
At the top level, industry is often classified according to the three-sector theory into sectors: primary (extraction and agriculture), secondary (manufacturing), and tertiary (services
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Answer:
The electric conductors are classified according to the mechanism of the transfer of electrons or charge. There are two types of conductors as follows
i) Electronic (or metallic) conductors: The electric conductors through which the conduction of electricity takes place by a direct flow of electrons under the influence of applied potential are called electronic conductors. In this case. there is no transfer of matter like atoms or ions. For example, solid and molten metals such as Al, Cu, etc.
ii) Electrolytic conductors: The conductors in which the conduction of electricity takes place by the migration of positive ions (cations) and negative ions (anions) of the electrolyte are called electrolytic conductors. In this, the conduction involves the transfer of matter and it is accompanied with chemical changes. For example, solutions of electrolytes (strong and weak), molten salts.