GEOLOGY

EARTH SCIENCE

MAGNETISM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
There are two categories of magnets; man-made and
A
natural
B
alnico
C
cow
D
bar
Explanation: 

Detailed explanation-1: -Natural magnets are the magnets that can be found in nature. For example-lodestone . Whereas artificial magnets are the magnets that are made by man. For example-electromagnet.

Detailed explanation-2: -Introduction. There are two main different types of magnet, permanent magnets and electromagnets.

Detailed explanation-3: -Magnets can be both manmade and found in nature. Artificial magnets can be created by doping iron, nickel, and/or cobalt with other elements. There are natural magnets that are also found in the earth’s crust. They are usually found in iron ores and are called magnetite (or lodestones).

Detailed explanation-4: -Bar magnet, horse shoe magnet, pot shaped and cylindrical magnets are examples of artificial magnets. The names of these magnets are given due to their shapes and sizes.

Detailed explanation-5: -Ferromagnetic and ferrimagnetic materials are usually what we consider as being magnetic (ie., behaving like iron).

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