Physics2LabFinalExamwithcorrect
answers
electric field-correct answer✔✔forceperunitcharge
voltage-correct answer✔✔potential difference
battery-correct answer✔✔transformschemicalenergyintoelectric potential energy
voltmeter-correct answer✔✔deviceusedtomeasure potential difference
true-correct answer✔✔electric fieldlinesradiateawayfrompositivechargesandtowardsnegative
charges
true-correct answer✔✔electric fieldisalwaysperpendicular toequipotentiallines
true-correct answer✔✔theunitsofelectricfieldareeithernewtonspercoulomborvoltspermeter
false-correct answer✔✔theelectricfieldpointsinthedirectionofincreasingelectricpotential
false-correct answer✔✔theelectricfieldinsideaparallelplatecapacitordecreasesasitapproaches
thenegativeplate
1.Chargeismeasuredinunitsof_____.-correct answer✔✔coulombs
,2.Theelectricfieldisa_____field.-correct answer✔✔vector
3.Theelectricfieldrepresentstheelectric forcethatwouldactonasmall _____testcharge.-correct
answer✔✔positive
4.Thedifference betweentheelectric potential attwopointsisthe_____.-correct answer✔✔voltage
5.Theelectricpotentialisrepresentedby_____.-correct answer✔✔equipotential lines
6.Theelectricfieldmustalwaysbeperpendicular toequipotentiallinesbecausenoworkisrequiredto
moveachargealonganequipotentialline.-correct answer✔✔true
7.Theelectricfieldpointsinthedirectionof_____potential.-correct answer✔✔decreasing
1.Twopositiveelectricchargeswillattractone-another.-correct answer✔✔false
2.Theelectricfieldisthe_____perunitcharge.-correct answer✔✔force
3.Theelectricfieldpoints_____apositivecharge.-correct answer✔✔awayfrom
4.Electricfieldlinesare_____toelectric forcevectors.-correct answer✔✔tangent
5.Acapacitorisusedtostoreelectric _____.-correct answer✔✔energy
6.Theelectricpotentialistheelectric_____perunitcharge.-correct answer✔✔energy
, 7.Theelectricpotential_____alongparallellinesinside aparallel platecapacitor.-correct
answer✔✔isconstant
8.Theelectricfieldisequaltothenegativeofthepotentialdifference_____thedistance.-correct
answer✔✔dividedby
9.Theelectricfieldisalways_____totheequipotential lines.-correct answer✔✔perpendicular
10.Thevoltageoftheconductive paperbetweentwoconductorsisgreaterthanzeroandlessthanthe
voltageofthebattery.-correct answer✔✔true
11.Thelinestracedoutbetweentwoconductorsonconductive paperconnectingpointsofequal
voltageare_____lines.-correct answer✔✔equipotential
12.Theelectricfieldbetweentwoparallellinesofoppositecharge_____.-correct answer✔✔is
perpendiculartothelinesofcharge,isuniforminmagnitudeanddirection,pointsfromthepositive
chargestothenegativecharges
13.Thepotential difference betweentwopointsseparatedby2metersis7volts,andtheelectricfield
betweenthosetwopointsis_____voltspermeter.-correct answer✔✔3.5
current-correct answer✔✔ameasureoftherateofflowofchargespastapointinacircuit
voltage-correct answer✔✔ameasureofthepotentialdifferenceacrossacircuitcomponent
resistance-correct answer✔✔ameasureofthehindrance offlowforchargesinacircuit
digitalmultimeter-correct answer✔✔adeviceusedtomeasure twoormoreelectrical values
answers
electric field-correct answer✔✔forceperunitcharge
voltage-correct answer✔✔potential difference
battery-correct answer✔✔transformschemicalenergyintoelectric potential energy
voltmeter-correct answer✔✔deviceusedtomeasure potential difference
true-correct answer✔✔electric fieldlinesradiateawayfrompositivechargesandtowardsnegative
charges
true-correct answer✔✔electric fieldisalwaysperpendicular toequipotentiallines
true-correct answer✔✔theunitsofelectricfieldareeithernewtonspercoulomborvoltspermeter
false-correct answer✔✔theelectricfieldpointsinthedirectionofincreasingelectricpotential
false-correct answer✔✔theelectricfieldinsideaparallelplatecapacitordecreasesasitapproaches
thenegativeplate
1.Chargeismeasuredinunitsof_____.-correct answer✔✔coulombs
,2.Theelectricfieldisa_____field.-correct answer✔✔vector
3.Theelectricfieldrepresentstheelectric forcethatwouldactonasmall _____testcharge.-correct
answer✔✔positive
4.Thedifference betweentheelectric potential attwopointsisthe_____.-correct answer✔✔voltage
5.Theelectricpotentialisrepresentedby_____.-correct answer✔✔equipotential lines
6.Theelectricfieldmustalwaysbeperpendicular toequipotentiallinesbecausenoworkisrequiredto
moveachargealonganequipotentialline.-correct answer✔✔true
7.Theelectricfieldpointsinthedirectionof_____potential.-correct answer✔✔decreasing
1.Twopositiveelectricchargeswillattractone-another.-correct answer✔✔false
2.Theelectricfieldisthe_____perunitcharge.-correct answer✔✔force
3.Theelectricfieldpoints_____apositivecharge.-correct answer✔✔awayfrom
4.Electricfieldlinesare_____toelectric forcevectors.-correct answer✔✔tangent
5.Acapacitorisusedtostoreelectric _____.-correct answer✔✔energy
6.Theelectricpotentialistheelectric_____perunitcharge.-correct answer✔✔energy
, 7.Theelectricpotential_____alongparallellinesinside aparallel platecapacitor.-correct
answer✔✔isconstant
8.Theelectricfieldisequaltothenegativeofthepotentialdifference_____thedistance.-correct
answer✔✔dividedby
9.Theelectricfieldisalways_____totheequipotential lines.-correct answer✔✔perpendicular
10.Thevoltageoftheconductive paperbetweentwoconductorsisgreaterthanzeroandlessthanthe
voltageofthebattery.-correct answer✔✔true
11.Thelinestracedoutbetweentwoconductorsonconductive paperconnectingpointsofequal
voltageare_____lines.-correct answer✔✔equipotential
12.Theelectricfieldbetweentwoparallellinesofoppositecharge_____.-correct answer✔✔is
perpendiculartothelinesofcharge,isuniforminmagnitudeanddirection,pointsfromthepositive
chargestothenegativecharges
13.Thepotential difference betweentwopointsseparatedby2metersis7volts,andtheelectricfield
betweenthosetwopointsis_____voltspermeter.-correct answer✔✔3.5
current-correct answer✔✔ameasureoftherateofflowofchargespastapointinacircuit
voltage-correct answer✔✔ameasureofthepotentialdifferenceacrossacircuitcomponent
resistance-correct answer✔✔ameasureofthehindrance offlowforchargesinacircuit
digitalmultimeter-correct answer✔✔adeviceusedtomeasure twoormoreelectrical values
