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NERC STUDY SET WITH ALL NEEDED TO PASS
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NERC STUDY SET WITH ALL NEEDED TO PASS
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NERC STUDY SET WITHALL NEEDED TO PASS
Whatkarekthektwoktypeskofkchargeskthatkexertkthekelectricalkforcek?k
•Electronskandkprotonsk
•Gravitykandkforcek
•Positivekandknegativek
•Attractionkandkrepulsionk-kcorrectkanswer-PositivekandkNegative
Metalskarekgoodkconductorskbecausektheykhavekwhichkofkthekfollowing?
•Onekorktwokelectronskinktheirkouterkshell
•Morekelectronskthankprotons
•Akweakkatomickshellkstructure
•Notkenoughkprotonskinktheknucleusk-kcorrectkanswer-
•Onekorktwokelectronskinktheirkouterkshell
Voltagekinkakcircuitkiskoftenkcharacterizedkaskwhichkofkthekfollowingk?k
•Electricalkresistancek
•Electricalkenergyk
•Electricalkpressurek
•Electricalkflowk-kcorrectkanswer-•ElectricalkPressure
Youkhavekonekohmkofkresistancekwhenkonekvoltkofkpotentialkdifferencekcauseskwhic
hkofkthekfollowingktokflowk?k
•Amp
•Current
•Coulomb
,•Voltagek-kcorrectkanswer-•Amp
Whatkdokwekcallkakdevicekthatkuseskpressurektokcreatekelectricalkpotentialk?k
•Piezoelectrick
•Turboencabulatork
•Squeezamatronk
•Pressurelectricalk-kcorrectkanswer-•Piezoelectric
Insulatorkmaterialskarektypicallykwhichkofkthekfollowingk?
•Purekelementsk
•Compoundsk
•Specialkalloysk
•Combinationskofkgoodkconductorsk-kcorrectkanswer-•Compounds
Thekfundamentalklawkofkelectricitykiskwhichkofkthekfollowingk:k
•Likekchargeskrepelkandkunlikekchargeskattractk
•Electricalkforcekisk1042ktimeskstrongerkthankgravityk
•Particleskinkatomskhavekpositivekandknegativekchargesk
•Unlikekchargeskrepelkandklikekchargeskattractk-kcorrectkanswer-
Likekchargeskrepelkandkunlikekchargeskattract
Loadkinkakcircuitkaddskwhichkofkthekfollowingk?k
•Currentk
•Resistancek
•Voltagek
•Reactancek-kcorrectkanswer-•Resistance
Ifkyoukarekonekfootkawaykfromkakvoltageksourcek,kandkmovektok5kfeetkawayk,khowkm
uchkweakerkiskthekelectrickfieldkaroundkthatksourcek?k
•10ktimesk
•20ktimesk
•5ktimesk
•25ktimesk-kcorrectkanswer-•25ktimes
AccordingktokOhm'skLawk,kifkakcircuitkhaskak12k-kvoltksourcekandkak6k-
kohmkresistork,khowkmanykampskarekflowingk?k
•2
•1
•6
•4k-kcorrectkanswer-•2
Kirchhoff'skCurrentkLawksayskwhichkofkthekfollowingk?k
•Allkcircuitskhavekpositivekandknegativekcurrentsk
,•Currentkmeasurementskaroundkakcircuitkaddkupktokzero
•Sourcekvoltagekpluskcurrentkflowkiskalwayskzero
•Thekalgebraicksumkofkcurrentkintokanykjunctionkiskzerok-kcorrectkanswer-
•Thekalgebraicksumkofkcurrentkintokanykjunctionkiskzero
Whichkofkthekfollowingkcomponentskmakekupkakworkingkcircuitk?k
Selectkallkthatkapplyk.k
•Loadk
•Switchk
•Insulation
•Sourcek
•Conductor
•Currentk-kcorrectkanswer-•Loadk
•Switchk
•Insulation
•Sourcek
•Conductor
Ohm'skLawkstateskwhichkofkthekfollowingk?k
•Currentkinkakcircuitkiskinverselykproportionalktokvoltagekandkdirectlykproportionalktokr
esistance
•Currentkinkakcircuitkiskdirectlykproportionalktokvoltagekandkinverselykproportionalktokr
esistance
•Resistancekinkakcircuitkiskdirectlykproportionalktokvoltagekandkinverselykproportionalk
tokcurrent
•Voltagekinkakcircuitkiskdirectlykproportionalktokcurrentkandkinverselykproportionalktokr
esistancek-kcorrectkanswer-
•Currentkinkakcircuitkiskdirectlykproportionalktokvoltagekandkinverselykproportionalktokr
esistance
IdentifykvoltagekandkcurrentkbehaviorskdescribedkbykKirchhoff'skLawk.k
•Allkcircuitskhavekpositivekandknegativekvoltagesk
•Sourcekvoltagekpluskcurrentkflowkiskalwayskzerok
•Thekalgebraicksumkofkcurrentskiskalwayskzerok
•Voltagekmeasurementskaroundkakcircuitkaddkupktokzerok-kcorrectkanswer-
•Voltagekmeasurementskaroundkakcircuitkaddkupktokzero
Whichkofkthekfollowingkisknotkakserieskcircuitkrulek?k
•Currentkflowkvarieskeverywhere
•Sumkofkvoltagekdropkequalsksourcekvoltage
•Resistanceskaddkup
•kCircuitkinterruptionkstopskeverythingk-kcorrectkanswer-
•Currentkflowkvarieskeverywhere
OnekreasonkwekhavekankACksystemk,kstemskfromkthekfollowingk
, •ACkiskakresultkofkrotatingkthekmagnetickfieldk.k
•ItkiskeasierktokinterruptkACkakthankDC
•ACktransmitskbetterkthroughkhighkvoltageklines
•DCkcannotkcarrykhighkcurrentk-kcorrectkanswer-
•ACkiskakresultkofkrotatingkthekmagnetickfield
InductancekiskthekpropertykofkankACkcircuitkthatkopposeskakchangekinkwhichkofkthekf
ollowingk?k
•Currentk
•Voltagek
•lmpedancek
•Resistancek-kcorrectkanswer-•Current
ThekworkingkvaluekofkvoltagekinkankACkcircuitkisk70.7k
%kofkthekpeakkvaluekbecausek?k
•Voltagekiskconstantlykchanging
•RMSkaverageskthekwholeksinekwave
•Currentkiskalwayskchanging
•Currentkandkvoltageklimitkeachkotherk-kcorrectkanswer-
•RMSkaverageskthekwholeksinekwave
CapacitancekiskthekpropertykofkankACkcircuitkthatkopposeskakchangekinkwhichkofkthek
followingk?k
•Current
•Voltagek
•Resistance
•lmpedancek-kcorrectkanswer-•Voltage
Askankobjectkgetsklargerk,kwhatkhappensktokthekratiokofkitsksurfacekareaktokvolumek?
•Staysktheksamek
•Getsksmallerk
•Getsklargerk-kcorrectkanswer-•Getsksmaller
Inkakwyek-kthreek-kphasekconnectionk,kphasek-ktok-
kphasekvoltagekiskwhichkofkthekfollowingk?
k
•Equalktokphasekvoltagek
•Lowerkthankphasekvoltagek
•1.732ktimeskthekphasekvoltagek
•Threektimesktheksquarekrootkofkphasekanglek-kcorrectkanswer-
•1.732ktimeskthekphasekvoltage
Inkakwyek-kthreekphasekconnectionk,kindividualkphasekvoltagekandklinek-ktok-
kgroundkvoltagekarekwhichkofkthekfollowingk?k
•k01.732ktimeskonkofkthekvaluesk
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