Materials subjected to rapid reversal of magnetism should have

Related MCQs

• The magnetism left in the iron after exciting field has been removed is known as
• The commonly used material for shielding or screening magnetism is
• Magnetism of a magnet can be destroyed by
• Hysteresis loop in case of magnetically hard materials is more in shape as compared to magnetically soft materials.
• For which of the following materials the net magnetic moment should be zero ?
• Paramagnetic materials have relative permeability
• Those magnetic materials are best suited for making armature and transformer cores which have permeability and hystersis loss.
• Those materials are well suited for making permanent magnets which have retentivity and coercivity.
• A material for good magnetic memory should have
• The superconducting materials will be independent of which of the following?