PN diode Quiz

PN Junction diode formed

• Special fabrication technique of combining P and N -type material

• Pushing P and N- type material towards

• Welding of P and N type material

Majority carriers of P type materials

• Neutrons

• Electrons

• Protons

• Holes

The depletion region contains

• Electrons

• Holes

• Immobilized charge carriers

• Sea of electrons

Resistance developed in the depletion region is

• R_forward > R_reverse

• R_{forward <} R_reverse

• R_{forward =} R_reverse

• None of these

Diode 

•  allows current to flow in one direction
•  allows current to flow in two directions
• is a resistor

Main phenomenons associated with formation of p-n junctions are

• Drift only

• Diffusion only

• Diffusion and Drift

• only doping

In the forward bias arrangement of a p-n junction diode,

• the n-end is connected to the positive terminal of the battery

• the p-end is connected to the positive terminal of the battery

• the direction of current is from n-end to p-end in the diode

• the p-end is connected to the negative terminal of the battery

What type of diode is this?

• silicon

• LED

• Zener

• Mylar

Anode is _________ Polarity in diodes

• Negative

• Positive

• Ground

• Hot Side

Identify the right semiconductor materials required to construct a diode.

• Cathode: P Type, Anode: N Type

• Cathode: N Type, Anode: P Type

• Cathode: P Type, Anode: P Type

• Cathode: N Type, Anode: N Type