Question

uses of hard magnetic material​

Answer 1

Answer:

Explanation:

Applications of Hard Magnetic Materials :

Automotive: motor drives for fans, wipers, injection pumps; starter motors; Control for seats, windows etc.

Telecommunication: Microphones, Loud Speakers, Telephone Ringers etc.

Data processing: Printers, Stepping Motors, Disc Drives and Actuators.

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Answer 2

Answer:

Magnetically hard materials are used to create permanent magnets made from alloys generally consisting of varying amounts of iron, aluminium, nickel, cobalt and rare earth elements samarium, dysprosium and neodymium.

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