Electronic Quiz

The most commonly used semiconductor is:

• Germanium

• Silicon

• Carbon

• Sulphur

The valence electron of a conductor is also called:

• Bound electron

• Free electron

• Nucleus

• Proton

Pick the odd one in the group:

• Conductor

• Semiconductor

• 4 valence electron

• Crystal structure

A P-type semiconductor contains:

• Holes and positive ions

• Holes and pentavalent atoms

• Holes and donor atoms

• Holes and negative ions

Depletion layer is caused by:

• Doping

• Recombination

• Barrier potential

• Ions

The reverse current in a diode is usually:

• Very small

• Very large

• Zero

• In the Breakdown region

Avalanche in a diode occurs at:

• Barrier potential

• Depletion layer

• Knee voltage

• Breakdown voltage

When a pure semiconductor is heated, its resistance:

• Goes up

• Goes down

• Remains the same

• Can’t say

The potential barrier of a silicon diode is:

• 0.3V

• 0.7V

• 1V

• 5V

A diode is a:

• Linear device

• Bilateral device

• Non-linear device

• Unipolar device