ELECTRONIC DEVICES AND CIRCUITS QUIZ

Narrowband gap semiconductor

Wideband gap semiconductor

An indirect band gap semiconductor

Direct band gap semiconductor

False

True

2 eV

10 eV

0.78 eV

5 eV

An ohmic region at large voltage values preceded by a saturation region at lower voltages

An ohmic region at low voltage value followed by a saturation region at higher voltages

Only a saturation region

Only an ohmic region

Air

Paraffin wax

Mica

Mineral oil

An electron can have at room temperature

A hole can have at room temperature

None of these

Must be given to an electron move to conduction band

False

True

may be equal to or less than breakdown voltage

should not exceed the breakdown voltage

should not exceed one third the breakdown voltage

should not exceed half the breakdown voltage

100 A

20 A

1 A

10 A

The number of free electrons increases

The number of free electrons and holes increase but not by the same amount

The number of free electrons increases but the number of holes decreases

The number of free electrons and holes increase by the same amount