Write two properties of a material suitable for making
(a) a permanent magnet and
(b) an electromagnet

Question

Write two properties of a material suitable making -a- a permanent magnet and -b- an electromagnet

Toppr Admin · Accepted Answer

Permanent Magnets-1- High Retentivity- Magnet should be strong2- High coercivity- Magnetisation should not get affected by stray Magnetic fieldsElectromagnets-1- High Permeability core of Iron for easy magnetisation2- Low Retentivity- For easy magnetisation-demagnetisation-

Write two properties of a material suitable for making (a) a permanent magnet and (b) an electromagnet

Permanent Magnets:1) High Retentivity: Magnet should be strong2) High coercivity: Magnetisation should not get affected by stray Magnetic fieldsElectromagnets:1) High Permeability core of Iron for easy magnetisation2) Low Retentivity: For easy magnetisation/demagnetisation.

Write two properties of a material suitable for making
(a) a permanent magnet and
(b) an electromagnet

Permanent Magnets:
$1)$ High Retentivity: Magnet should be strong
$2)$ High coercivity: Magnetisation should not get affected by stray Magnetic fields
Electromagnets:
$1)$ High Permeability core of Iron for easy magnetisation
$2)$ Low Retentivity: For easy magnetisation/demagnetisation.