ELECTRONIC DEVICES AND CIRCUITS QUIZ

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

A is false but R is true

A is true but R is false

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

Only those produced by thermal energy

Only those produced by doping

Those produced by doping as well as thermal energy

Any of the above

Intrinsic semiconductor

Either A or B

Lightly doped semiconductor

Highly doped semiconductor

20 A

100 A

10 A

1 A

Normal to both current and magnetic field

In arbitrary direction

In the direction of current

Antiparallel to magnetic field

Both frequency and intensity of incident radiation

Intensity of incident radiation

Frequency of incident radiation

None of these

Forward bias

Zero or forward bias

Reverse bias

Zero bias

5 eV

10 eV

2 eV

0.78 eV

Air

Mica

Paraffin wax

Mineral oil

Has lower energy than the electron in the valence band

Loses its charge easily

Has higher energy than the electron in the valence band

Jumps to the top of the crystal