Magnetic materials used for making permanent magnets (P) and magnets in a transformer…
PHYSICS · Single correct · CBSE · Physics · Magnetism and Matter · Magnetism and Matter
Problem
Magnetic materials used for making permanent magnets (P) and magnets in a transformer (T) have different properties; which property best matches for the type of magnet required?
(1) T : Large retentivity, small coercivity
(2) P : Small retentivity, large coercivity
(3) T : Large retentivity, large coercivity
(4) P : Large retentivity, large coercivity