Materials subjected to rapid reversal of magnetism should have

Related MCQs

• Indicate which of the following material does not retain magnetism permanently.
• 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
• Core of an electromagnet should have
• A material for good magnetic memory should have
• Which of the following materials has the highest value of dielectric constant?