ELECTRONIC DEVICES AND CIRCUITS QUIZ

A is true but R is false

Both A and R are true but R is not a correct explanation of A

A is false but R is true

Both A and R are true and R is correct explanation of A

Diffusion of electrons

Diffusion of holes

Drift of holes

Drift of electrons

Both frequency and intensity of incident radiation

Intensity of incident radiation

Frequency of incident radiation

None of these

Any of the above

Those produced by doping as well as thermal energy

Only those produced by doping

Only those produced by thermal energy

Direct band gap semiconductor

Wideband gap semiconductor

An indirect band gap semiconductor

Narrowband gap semiconductor

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

Only an ohmic region

Only a saturation region

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

Zero or reverse bias

Zero bias

Reverse bias

Forward bias

None of these

Forward bias voltage

Potential barrier

Rate of thermal generation of electron hole pairs

Germanium diodes

None of these

Silicon diodes

Either of the above

All holes will freeze

Excessive heat may damage the diode

All electrons will leave

Diode will emit light