resistance

Infection and its various types

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Infection and its various types

Introduction to infection An infection is the detrimental colonization of a host organism by a foreign species. In an infection, the infecting organism seeks to utilize the host’s resources to multiply, usually at the expense of the host. The infecting organism, or pathogen, interferes with the normal functioning of the host and can lead to … Read more

Differences between alternating and direct current

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S.N Alternating current Direct current 1. The current which changes magnitude and polarity is called alternating current. The current which does not change magnitude and polarity is called direct current. 2. It is produced by AC generator, dynamo, etc. It is produced by cells, battery, DC generator, etc. 3. It can be used in transformer … Read more