ssp quiz

what is the susceptibility of a perfectly diamagnetic substance.

• -1

• 0

• 1 x 10^-4

• 1

When does a ferromagnetic substance behave like a paramagnetic substance.

• T > Tc

• T < Tc

• T = Tc

• Tc = 0

What will happen to the level of liquid in the Quincke's tube kept in magnetic field, if the liquid is diamegnetic.

• The level of liquid will rise.

• The level of liquid will not change.

• The level of liquid will fall.

In which band do the movement of electrons and holes takes place respectively.

• conduction band, conduction band

• conduction band, valence band

• valence band, conduction band

• valence band,

  valence band

which out of Si and Ge has larger conductivity.

• Si > Ge

• Si = Ge

• Si < Ge

What is the sign of Hall coefficient for an intrinsic semiconductor.

• Variable
• Zero
• Negative
• Positive

What is the SI unit of Dielectric Constant.

• Joules per coulomb (J/C)
• no units

• Farad per meter (F/m)
• Newton per square meter (N/m^2)

When can a dielectric be strongly polarized.

• Lower T and Higher E

• Higher T and Higher E

• Higher T and Lower E

• Lower T and Lower E

What happens to Hall coefficient when number of charge carriers is decreased.

• Becomes positive

• Increases

• Becomes negative
• Decreases

A Hall voltage can be created with the

• conductor

• conductor, semiconductor

• semiconductor, insulator

• semiconductor