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Question

Tiny rings made of magnetic material that can be polarised to represent binary 1 or 0 is called.

A
Magnetic core
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B
Magnetic disk
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C
Card punch
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D
Floppy disk
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E
None of the above
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Solution

The correct option is C Magnetic core

Tiny rings made of magnetic material that can be polarised to represent binary 1 or 0 is called Magnetic core.

A magnetic core is a piece of magnetic material with a high magnetic permeability used to confine and guide magnetic fields in electrical, electromechanical and magnetic devices such as electromagnets, transformers, electric motors, generators, inductors, magnetic recording heads, and magnetic assemblies.


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