ELECTRONIC DEVICES AND CIRCUITS QUIZ

Must be given to an electron move to conduction band

An electron can have at room temperature

A hole can have at room temperature

None of these

Insulators

Semiconductors

All of these

Metals

Potential barrier

None of these

Rate of thermal generation of electron hole pairs

Forward bias voltage

False

True

Decreases with light doping

Increases with heavy doping

Is independent of applied voltage

Is increased under reverse bias

Has higher energy than the electron in the valence band

Jumps to the top of the crystal

Has lower energy than the electron in the valence band

Loses its charge easily

Holes and electrons

Holes

Ions

Electrons

No hysteresis

Electric dipole moment

Ferroelectric characteristic only above the curie point

High dielectric constant

Germanium

Mixture of silicon and germanium

Silicon

None of these

Narrowband gap semiconductor

An indirect band gap semiconductor

Wideband gap semiconductor

Direct band gap semiconductor