ELECTRONIC DEVICES AND CIRCUITS QUIZ

Holes and electrons

Holes

Electrons

Ions

The number of free electrons increases

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

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

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

Only a saturation region

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

Only an ohmic region

Mica

Air

Paraffin wax

Mineral oil

False

True

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

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

1 A

10 A

100 A

20 A

For full cycle

Only for the positive half cycle of the input signal

Only for the negative half cycle of the input signal

For less than fourth cycle

Majority as well as minority carriers in both regions

Majority carriers in both regions

Free electrons in N-region only

Holes in P-region only

200 mg

100 mg

500 mg

150 mg