CPE039 - Fundamentals of Electronics

Gallium

Which of the following materials refers to as a recipient of impurity element?

Zero

What is the overall electrical charge of the

P-material in a semiconductor?

The characteristic curve graph

of the diode

What provides you with information

concerning the voltage-current relationship

of a PN junction diode?

An insulator

An electronic semiconductor behaves as _____ at absolute zero temperature.

Negative to positive

Electron current flows from:

Increasing battery voltage

In the PN junction, which of the following

actions will increase the number of majority

carriers and increase current flow in a

forward-biased condition?

Electron

_____ refers to the majority carrier in an N

type semiconductor.

The doping level

The conductivity of P-type and N-type

semiconductor materials depends on:

Electrons

A p-type semiconductor has a storage of

which of the following?

1N563

What type of diode has green, blue, and

orange bands?

Thermal energy

An intrinsic semiconductor has some holes

in it at room temperature. What causes

these holes?

The diffusion of electrons and

holes moving across the

junction into the two materials

What causes the process called junction

recombination to occur when N and P

materials are joined together?

Silicon and germanium

What two elements widely used in

semiconductor devices exhibit both

metallic and non-metallic characteristics?

+1

Assume the valence electron is removed

from a copper atom. The net charge of the

atom becomes

A. Depletion region

After the junction recombination process

has reached equilibrium, what is the area

that surrounds the junction called?

Unipolar

A device whose operation depends upon only one type of current carrier is called a/an _____ device

Troubleshooting

The ideal diode is usually adequate when

Reverse junction breakdown

if we increase the electrostatic reverse bias on a PN junction of semiconductor material, we will reach a point where the reverse current in the diode increase dramatically. This is called:

Linearly

The relationship between current and voltage is _____ proportional.

Forward

A voltage applied to a PN junction so that it reduces the junction barrier and aids current flow is what type of bias?

Negative ion

An atom that has gained an electron is called a ____.

Conduction electrons

The majority carriers in an n-type semiconductor are

Majority

In a forward-biased PN junction, when an electron leaves the negative terminal of the battery and enters the N material, it becomes what type of carrier?

Extrinsic

Semi-conductors which doped with either N-or-P types impurities are called _____.

inority carriers that are thermally produced

Holes in an n-type semiconductor are

All of the choices
Recombination, Diffusion, Ionization

The depletion region is created by

The electrons will tend to move towards the positive terminal and the holes toward the negative terminal

What will happen if a voltage is applied to an intrinsic semiconductor at room temperature?

Atoms

The particles that make up the lattice in ionic crystal

The boundary of a p-type and an n-type material

A PN junction is formed by

Crystal

_____ is an orderly pattern of combined silicon atoms