Question 81: Magnetism and Matter

Question

Magnetic materials used for making permanent
magnets (P) and magnets in a transformer (T)
have different properties of the following,
which property best matches for the type of
magnet required?

Accepted Answer

Option (2) is correct as permanent magnet
should have high coercivity & retentivity.

Answer

T : Large retentivity, small coercivity

Answer

P : Large retentivity, large coercivity

Answer

P : Small retentivity, large coercivity

Answer

T : Large retentivity, large coercivity

Magnetism and Matter

Magnetic materials used for making permanent magnets (P) and magnets in a transformer (T) have different properties of the following, which property best matches for the type of magnet required?

Choose the correct answer: