ELECTRONIC DEVICES AND CIRCUITS QUIZ

None of these

Silicon

Germanium

Mixture of silicon and germanium

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 increases

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

Intrinsic semiconductor

Lightly doped semiconductor

Either A or B

Highly doped semiconductor

Silicon diodes

Either of the above

Germanium diodes

None of these

Has better thermal stability

All of these

Is less noisy

Has higher input resistance

Excessive heat may damage the diode

All holes will freeze

Diode will emit light

All electrons will leave

100 mg

150 mg

200 mg

500 mg

Narrowband gap semiconductor

Wideband gap semiconductor

An indirect band gap semiconductor

Direct band gap semiconductor

Zero or reverse bias

Reverse bias

Forward bias

Zero bias

Rectification of the signal is required

Signal frequency control is required

Modulation of signal is required

Signal amplification is required