Magnetic properties

What is the magnetic property of iron?

• Ferromagnetic
• Paramagnetic
• Diamagnetic
• Ferrimagnetic
• None of the Above

Magnetic materials are classified into ___.

• 3 types
• 4 types
• 5 types
• 6 types
• 2 types

Which substance is not affected by a magnetic field?

• Copper
• Iron
• Nickel
• Cobalt
• Aluminium

What is the unit of magnetic field strength?

• Ampere/meter
• Tesla
• Weber
• Joule/meter
• Coulomb

The magnetic susceptibility of a diamagnetic substance is ___.

• Positive
• Negative
• Zero
• Both Positive & Negative
• None of the Above

In a ferromagnetic material, domains are ___ aligned.

• Randomly
• Parallel
• Anti-parallel
• Both Parallel & Anti-Parallel
• Perpendicular

Hysteresis loss occurs due to ___.

• Rapid Change in Magnetism
• Slow Change in Magnetism
• Steady State Magnetism
• None of the Above
• All of the Above

What is Curie temperature?

• Ferromagnetic to Paramagnetic
• Ferromagnetic to Diamagnetic
• Paramagnetic to Diamagnetic
• Ferrimagnetic to Ferromagnetic
• None of the Above

Earth's magnetic field is closest to which type of magnet?

• Bar Magnet
• Horseshoe Magnet
• Circular Magnet
• Permanent Magnet
• Temporary Magnet

The relative permeability of a magnetic material is ___.

• >1
• <1
• =1
• None of the Above