Test Bank For Electronics for Electricians - 26th - 2017 All Chapters - 9781305505995.pdf

Chapter 1 b




1. Anbidealbvoltagebsourcebhas 5. Abrealbcurrentbsourcebhas

a. Zerobinternalbresistance a. Zerobinternalbresistance
b. Infinitebinternalbresistance b. Infinitebinternalbresistance
c. Abload-dependentbvoltage c. Absmallbinternalbresistance
d. Abload-dependentbcurrent d. Ablargebinternalbresistance

2. Abrealbvoltagebsourcebhas 6. Ifbabloadbresistancebisb1bkohm,babstiffbcurrentbsourceb
hasbabresistancebof
a. Zerobinternalbresistance
b. Infinitebinternalbresistance a. Atbleastb10bohm
c. Absmallbinternalbresistance b. Lessbthanb10bohm
d. Ablargebinternalbresistance c. Morebthanb100bkohm
d. Lessbthanb100bkohm
3. Ifbabloadbresistancebisb1bkohm,babstiffbvoltagebsourceb
hasbabresistancebof 7. ThebTheveninbvoltagebisbthebsamebasbthe

a. Atbleastb10bohm a. Shorted-loadbvoltage
b. Lessbthanb10bohm b. Open-loadbvoltage
c. Morebthanb100bkohm c. Idealbsourcebvoltage
d. Lessbthanb100bkohm d. Nortonbvoltage

4. Anbidealbcurrentbsourcebhas 8. ThebTheveninbresistancebisbequalbinbvaluebtobthe

a. Zerobinternalbresistance a. Loadbresistance
b. Infinitebinternalbresistance b. Halfbthebloadbresistance
c. Abload-dependentbvoltage c. InternalbresistancebofbabNortonbcircuit
d. Abload-dependentbcurrent d. Open-loadbresistance

,9. TobgetbthebTheveninbvoltage,byoubhavebto d. alwaysbhasblowbresistance

a. Shortbthebloadbresistor 14. Anbopenbresistorbhas
b. Openbthebloadbresistor
c. Shortbthebvoltagebsource a. Infinitebcurrentbthroughbit
d. Openbthebvoltagebsource b. Zerobvoltagebacrossbit
c. Infinitebvoltagebacrossbit
10. TobgetbthebNortonbcurrent,byoubhavebto d. Zerobcurrentbthroughbit

a. Shortbthebloadbresistor 15. Abshortedbresistorbhas
b. Openbthebloadbresistor
c. Shortbthebvoltagebsource a. Infinitebcurrentbthroughbit
d. Openbthebcurrentbsource b. Zerobvoltagebacrossbit
c. Infinitebvoltagebacrossbit
11. ThebNortonbcurrentbisbsometimesbcalledbthe d. Zerobcurrentbthroughbit

a. Shorted-loadbcurrent 16. Anbidealbvoltagebsourcebandbanbinternalbresistancebisb
b. Open-loadbcurrent anbexamplebofbthe
c. Theveninbcurrent
d. Theveninbvoltage a. Idealbapproximation
b. Secondbapproximation
12. Absolderbbridge c. Higherbapproximation
d. Exactbmodel
a. maybproducebabshort
b. maybcausebanbopen 17. Treatingbabconnectingbwirebasbabconductorbwithbzerob
c. isbusefulbinbsomebcircuits resistancebisbanbexamplebofbthe
d. alwaysbhasbhighbresistance
a. Idealbapproximation
13. Abcold-solderbjoint b. Secondbapproximation
c. Higherbapproximation
a. showsbgoodbsolderingbtechnique d. Exactbmodel
b. usuallybproducesbanbopen
c. isbsometimesbuseful

,18. Thebvoltageboutbofbanbidealbvoltagebsource 22. Onebwaybtobshortbabdevicebis

a. Isbzero a. Withbabcold-solderbjoint
b. Isbconstant b. Withbabsolderbbridge
c. Dependsbonbthebvaluebofbloadbresistance c. Bybdisconnectingbit
d. Dependsbonbthebinternalbresistance d. Bybopeningbit

19. Thebcurrentboutbofbanbidealbcurrentbsource 23. Derivationsbare

a. Isbzero a. Discoveries
b. Isbconstant b. Inventions
c. Dependsbonbthebvaluebofbloadbresistance c. Producedb bybmathematics
d. Dependsbonbthebinternalbresistance d. Alwaysbcalledbtheorems

20. Thevenin’sbtheorembreplacesbabcomplicatedbcircuitb 24. Lawsbarebprovedbby
facingbabloadbbyban
a. Definition
a. Idealbvoltagebsourcebandbparallelbresistor b. Experiment
b. Idealbcurrentbsourcebandbparallelbresistor c. Mathematics
c. Idealbvoltagebsourcebandbseriesbresistor d. Formulas
d. Idealbcurrentbsourcebandbseriesbresistor
25. Definitionsbare
21. Norton’sbtheorembreplacesbabcomplicatedbcircuitb
facingbabloadbbyban a. Manbmade
b. Invented
a. Idealbvoltagebsourcebandbparallelbresistor c. Madebup
b. Idealbcurrentbsourcebandbparallelbresistor d. Allbofbthebabove
c. Idealbvoltagebsourcebandbseriesbresistor
d. Idealbcurrentbsourcebandbseriesbresistor

, Chapter 2 b




1. Thebnucleusbofbabcopperbatombcontainsbhowbmanyb 5. Howbmanybvalencebelectronsbdoesbabsiliconbatomb
protons? have?

a. 1 a.b0
b. 4 b.b1
c. 18 c.b2
d. 29 d.b4

2. Thebnetbchargebofbabneutralbcopperbatombis 6. Whichbisbthebmostbwidelybusedbsemiconductor?

a.b0 a. Copper
b.b+1 b. Germanium
c.b-1 c. Silicon
d.b+4 d. Nonebofbthebabove

3. Assumebthebvalencebelectronbisbremovedbfrombabc 7. Howbmanybprotonsbdoesbthebnucleusbofbabsiliconbatomb
opperbatom.b Thebnetbchargebofbthebatombbecomes contain?

a.b0 a. 4
b.b+b1 b. 14
c.b-1 c. 29
d.b+4 d. 32

4. Thebvalencebelectronbofbabcopperbatombexperiencesb 8. Siliconbatomsbcombinebintobanborderlybpatternbcalledba
whatbkindbofbattractionbtowardbthebnucleus?
a. Covalentbbond
a. None b. Crystal
b. Weak c. Semiconductor
c. Strong d. Valenceborbit
d. Impossiblebtobsay