SDC quiz

Zener breakdown occurs with voltage ____than 6 Volts.

• none of these

• less

• equal

• more

The diode____.

• is a two-terminal device

• is the simplest of semiconductor devices

• All of the above

• has characteristics that closely match those of a simple switch

Calculate static resistance RD of a diode having ID = 30mA and VD = 0.75 V.

• 40 Ohms

• 0.025 Ohms

• 0.04 Kohms

• 25 Ohms

In what state is a silicon diode if the voltage drop across it is about 0.7V ?

• Zener region

• No bias

• Reverse bias

• Forward bias

Application of schottky diode are____

• SMPS

• Radar Systems

• All of these

• rectifiers

The number of valence electrons in Si atom is____

• 3

• 5

• 6

• 4

The depletion width ____in the Forward bias, which results in having a majority flowacross the junction.

• widens and shrinks alternatively

• shrinks

• remains unchanged

• widens

Identify the symbol

• Schottky diode

• general purpose PN junction diode

• transistor

• PIN diode

The depletion layer in the P-N junction region is caused by____

• drift of electrons

• diffusion of charge carriers

• migration of impurity ions

• drift of holes

Select state of an Ideal diode in the region of Non conduction

• An open circuit

• Unpredictable

• A short circuit

• Undefined