Paramagnetism

Identity the paramagnetic substance

• Bismuth

• Sodium

• Cobalt

• Iron

Relation between M and T graphically

The susceptibility of a magnetic material is 1.9 × 10-5. Name the type of magnetic materials it represents.

• Ferromagnetic

• Paramagnetic

• Diamagnetic

• ferrimagnetic

Which of the following substances are para-magnetic ?

Bi, Al, Cu, Ca, Pb, Ni

How does intensity of paramagnetic sample vary with temperature

• Increases with increase in temperature

• Decreases with increase in temperature

• Doesn't change

• Becomes 0

Susceptibility is positive for

• Paramagnetic

• Diamagnetic

• All of these

• Ferromagnetic