ELECTRONIC DEVICES AND CIRCUITS QUIZ

Either of the above

Silicon diodes

Germanium diodes

None of these

Is increased under reverse bias

Increases with heavy doping

Is independent of applied voltage

Decreases with light doping

Normal to both current and magnetic field

Antiparallel to magnetic field

In the direction of current

In arbitrary direction

Holes in P-region only

Majority as well as minority carriers in both regions

Majority carriers in both regions

Free electrons in N-region only

Both frequency and intensity of incident radiation

Intensity of incident radiation

Frequency of incident radiation

None of these

Diffusion of electrons

Drift of holes

Drift of electrons

Diffusion of holes

Loses its charge easily

Jumps to the top of the crystal

Has higher energy than the electron in the valence band

Has lower energy than the electron in the valence band

Either A or B

Intrinsic semiconductor

Highly doped semiconductor

Lightly doped semiconductor

Those produced by doping as well as thermal energy

Only those produced by doping

Only those produced by thermal energy

Any of the above

None of these

Must be given to an electron move to conduction band

An electron can have at room temperature

A hole can have at room temperature