EARTH SCIENCE
MAGNETISM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Carbon
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Gold
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Oxygen
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iron
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Detailed explanation-1: -The basis of all magnetic science started with iron. It is present in most permanent and soft magnetic materials that SM Magnetics designs and manufactures.
Detailed explanation-2: -Most permanent magnets contain iron, nickel, or cobalt. Alnico is an alloy made up of aluminium, nickel and cobalt. A strong permanent magnet can be made from Alnico alloys. Consumer electronics and industrial applications use them extensively.
Detailed explanation-3: -To make powerful magnets, an alloy called ‘Alnico’ is used. Alnico is an alloy of aluminum (Al), nickel (Ni) and cobalt (Co). The name ‘Alnico’ is derived from the symbols of these elements.
Detailed explanation-4: -Iron, nickel, and cobalt are the materials used in making permanent magnets.