Mixed Quiz (See related pages) 1 Copper is a good conductor. A) True B) False 2 The valence orbit controls the physical properties of the atom. A) True B) False 3 The core of an atom consists of all inner orbits. A) True B) False 4 A semiconductor is an element with electrical properties identical to those of a conductor. A) True B) False 5 At room temperature, a silicon crystal acts like a conductor. A) True B) False 6 Intrinsic semiconductor has an equal number of free electrons and holes. A) True B) False 7 Each pair of positive and negative ions at the pn junction is called a doped pole. A) True B) False 8 Forward bias is achieved when the negative source terminal is connected to the n-type material, and the positive terminal is connected to the p-type material. A) True B) False 9 The departure of an electron creates a vacancy in the valence orbit, it is called a . 10 is the merging of a free electron and a hole. 11 A(n) semiconductor is a pure semiconductor. 12 Silicon that has been doped with a trivalent impurity is called a semiconductor. 13 The border between p-type and n-type crystal is called the pn . 14 Junction is another name for pn crystal. 15 In a light-emitting diode (LED), the applied lifts the electrons to higher energy levels. 16 When a diode is first formed, the layer does not exist. 17 How many valence electrons are there in a germanium semiconductor? A) 1 B) 2 C) 4 D) None 18 The term used to describe the sharing of valence electrons that gives a crystal solidity is A) covalent bonding B) negative ion C) saturation point D) reverse bias 19 What type of atoms are added to molten silicon in order to increase the number of free electrons? A) pentavalent B) trivalent C) covalent D) positive 20 What is the most popular and useful semiconductor material? A) silver B) copper C) aluminum D) silicon 21 When reverse bias is increased A) forward current increases B) depletion layer widens C) depletion layer becomes smaller D) the diode becomes polarized 22 What is the term for the temperature inside a diode, right at the pn junction? A) ambient temperature B) diode temperature C) pn temperature D) junction temperature 23 When the reverse voltage increases, holes and electrons A) recombine B) move away from the junction C) move toward the junction D) remain stationary 24 What is the term for reverse current on the surface of a crystal? A) crystal current B) reverse current C) surface-leakage current D) avalanche breakdown current
	To learn more about the book this website supports, please visit its Information Center. 2007 McGraw-Hill Higher Education Any use is subject to the Terms of Use and Privacy Notice. McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.

		Log In You must be a registered user to view the premium content in this website. If you already have a username and password, enter it below. If your textbook came with a card and this is your first visit to this site, you can use your registration code to register. Username: Password: Forgot your password?

		Site Preferences (Log out) Send mail as: TA email: Other email: "Floating" navigation? Drawer speed:

		Notes (What is this?)      Add a note 1. (optional) Enter a note here: 2. (optional) Select some text on the page (or do this before you open the "Notes" drawer). 3. Highlighter Color: NoneYellowRedGreenBlue 4.

		Search Search for: Search in: This siteThe web (PowerSearch)

Home > Chapter 2 > Mixed Quiz

Course-wide Content Web Links MultiSim

Choose a ChapterChapter 1Chapter 2Chapter 3Chapter 4Chapter 5Chapter 6Chapter 7Chapter 8Chapter 9Chapter 10Chapter 11Chapter 12Chapter 13Chapter 14Chapter 15Chapter 16Chapter 17Chapter 18Chapter 19Chapter 20Chapter 21Chapter 22Chapter 23Chapter 24

Quizzes Mixed Quiz More Resources Chapter Outline Chapter Overview Chapter Summary

Instructor Resources Instructors Manual Parts Kit Address CPS by eInstruction Instructors Teaching T... Web Links Experiments Manual Corrections to Text Test Bank Course-wide Content Web Links MultiSim

Choose a ChapterChapter 1Chapter 2Chapter 3Chapter 4Chapter 5Chapter 6Chapter 7Chapter 8Chapter 9Chapter 10Chapter 11Chapter 12Chapter 13Chapter 14Chapter 15Chapter 16Chapter 17Chapter 18Chapter 19Chapter 20Chapter 21Chapter 22Chapter 23Chapter 24

Instructor Resources PowerPoint Presentations

Quizzes Mixed Quiz More Resources Chapter Outline Chapter Overview Chapter Summary