Chapterb17.bElectrostaticsbII:bElectricbPotentialbEnergybandbElectricbPotential
Sectionb17b–b1.bElectricbenergybisbimportantbinbnature,btechnology,bandbbiologicalbsystems
Sectionb17b–b2.bElectricbpotentialbenergybchangesbwhenbabchargebmovesbinbanbelectricbfield
1.bTwobprotonsbinbabnucleusbofb238Ubareb6.0b×b10–
15bmbapart.bbThebelectrostaticbpotentialbenergybofbthebpairbisbapproximatelyb
A.bbzerobbbbb
B.bb4.7b×b10–34bJbbbbb
C.bb4.3b×b10–24bJbbbbb
D.bb3.8b×b10–14bJbbbbb
E.bb2.4b×b104bJb
Ans: D Section:bb17–2bbbbbType:bNumerical
2.bThebelectrostaticbpotentialbenergybofbtwobprotonsbseparatedbbyb2.6b×b10–15 mbisbapproximatelyb
b
A.bzerob
B.b4.7b×b10–34bJ
C.b4.3b×b10–24bJbb
D.b3.8b×b10–14bJb
E.b8.9b×b10–14bJb
Ans: E Section:bb17–2bbbbbType:bNumerical
3.b
b
Whichbofbthebcurvesbinbthebgraphbrepresentsbthebelectrostaticbpotentialbenergybofbabsmallbnegativebc
hargebplottedbasbabfunctionbofbitsbdistancebfrombabpositivebpointbcharge?b
A.bb1bbbbb
B.bb2bbbbb
C.bb3bbbbb
D.bb4bbbbb
E.bb5b
Ans: E Section:bb17–2bbbbbType:bConceptual
TestbBankbforbCollegebPhysics TumerbSayman
,4.bAbpositivebpointbchargebofb10–4 Cbisblocatedb3bmbfrombanotherbpositivebpointbchargebofb10-
b
5bC.bbTheirbmutualbelectricbpotentialbenergybisb
A.bb3bJbbbbb
B.bb2bJbbbbb
C.bb1bJbbbbb
D.bbzerobbbbb
E.bb–1bJb
Ans: A Section:bb17–2bbbbbType:bNumerical
5.b
Thebelectrostaticbpotentialbenergybofbthebsystembofbpointbchargesbq1b=b1bμC,bq2b=b2bμC,bandb
q3 =b3bμCbatbthebcornersbofbthebequilateralbtrianglebwhosebsidebsb=b30bcmbisb
b
A.bb1.10bJbbbbb
B.bb0.990bJbbbbb
C.bb0.631bJbbbbb
D.bb0.330bJbbbbb
E.bb0.123bJb
Ans: D Section:bb17–2bbbbbType:bNumerical
TestbBankbforbCollegebPhysics TumerbSayman
,6.b
Thebelectrostaticbpotentialbenergybofbthebsystembofbpointbchargesbq1b=b1bμC,bq2b=b–2bμC,bandb
q3b=b3bμCbatbthebcornersbofbthebequilateralbtrianglebwhosebsidebsb=b40bcmbisb
A.bb1.10bJbbbbb
B.bb0.990bJbbbbb
C.bb–0.631bJbbbbb
D.bb0.330bJbbbbb
E.bb–0.113bJb
Ans: E Section:bb17–2bbbbbType:bNumerical
7.b
Thebelectrostaticbpotentialbenergybofbthebsystembofbpointbchargesbq1b=b–1bμC,bq2b=b2bμC,bandb
q3 =b3bμCbatbthebcornersbofbthebequilateralbtrianglebwhosebsidebsb=b50bcmbisb
b
A.bb18.0bmJbbbbb
B.bb–18.0bmJbbbbb
C.bb21.6bmJbbbbb
D.bb–24.4bmJbbbbb
E.bb1.23bmJb
Ans: A Section:bb17–2bbbbbType:bNumerical
TestbBankbforbCollegebPhysics TumerbSayman
, 8.b
Fourbpointbchargesbq1b=b–
1b C,bq2b=b2b C,bq3b=b3b C,bandbq4b=b4b Cbareblocatedbatbthebcornersbofbabsquarebwhosebsidebsb=b1b
m.bbThebelectrostaticbpotentialbenergybofbthisbsystembofbchargesbisb
A.bb0.140bJbbbbb
B.bb0.176bJbbbbb
C.bb0.286bJbbbbb
D.bb0.337bJbbbbb
E.bb0.492bJb
Ans: A Section:bb17–2bbbbbType:bNumerical
9.b
Fourbpointbchargesbq1b=b1b C,bq2b=b2b C,bq3b=b3b C,bandbq4b=b4b Cbareblocatedbatbthebcornersbofbabs
quarebwhosebsidebsb=b1bm.bbThebelectrostaticbpotentialbenergybofbthisbsystembofbchargesbisb
A.bb0.167bJbbbbb
B.bb0.176bJbbbbb
C.bb0.286bJbbbbb
D.bb0.337bJbbbbb
E.bb0.492bJb
Ans: C Section:bb17–2bbbbbType:bNumerical
TestbBankbforbCollegebPhysics TumerbSayman
Sectionb17b–b1.bElectricbenergybisbimportantbinbnature,btechnology,bandbbiologicalbsystems
Sectionb17b–b2.bElectricbpotentialbenergybchangesbwhenbabchargebmovesbinbanbelectricbfield
1.bTwobprotonsbinbabnucleusbofb238Ubareb6.0b×b10–
15bmbapart.bbThebelectrostaticbpotentialbenergybofbthebpairbisbapproximatelyb
A.bbzerobbbbb
B.bb4.7b×b10–34bJbbbbb
C.bb4.3b×b10–24bJbbbbb
D.bb3.8b×b10–14bJbbbbb
E.bb2.4b×b104bJb
Ans: D Section:bb17–2bbbbbType:bNumerical
2.bThebelectrostaticbpotentialbenergybofbtwobprotonsbseparatedbbyb2.6b×b10–15 mbisbapproximatelyb
b
A.bzerob
B.b4.7b×b10–34bJ
C.b4.3b×b10–24bJbb
D.b3.8b×b10–14bJb
E.b8.9b×b10–14bJb
Ans: E Section:bb17–2bbbbbType:bNumerical
3.b
b
Whichbofbthebcurvesbinbthebgraphbrepresentsbthebelectrostaticbpotentialbenergybofbabsmallbnegativebc
hargebplottedbasbabfunctionbofbitsbdistancebfrombabpositivebpointbcharge?b
A.bb1bbbbb
B.bb2bbbbb
C.bb3bbbbb
D.bb4bbbbb
E.bb5b
Ans: E Section:bb17–2bbbbbType:bConceptual
TestbBankbforbCollegebPhysics TumerbSayman
,4.bAbpositivebpointbchargebofb10–4 Cbisblocatedb3bmbfrombanotherbpositivebpointbchargebofb10-
b
5bC.bbTheirbmutualbelectricbpotentialbenergybisb
A.bb3bJbbbbb
B.bb2bJbbbbb
C.bb1bJbbbbb
D.bbzerobbbbb
E.bb–1bJb
Ans: A Section:bb17–2bbbbbType:bNumerical
5.b
Thebelectrostaticbpotentialbenergybofbthebsystembofbpointbchargesbq1b=b1bμC,bq2b=b2bμC,bandb
q3 =b3bμCbatbthebcornersbofbthebequilateralbtrianglebwhosebsidebsb=b30bcmbisb
b
A.bb1.10bJbbbbb
B.bb0.990bJbbbbb
C.bb0.631bJbbbbb
D.bb0.330bJbbbbb
E.bb0.123bJb
Ans: D Section:bb17–2bbbbbType:bNumerical
TestbBankbforbCollegebPhysics TumerbSayman
,6.b
Thebelectrostaticbpotentialbenergybofbthebsystembofbpointbchargesbq1b=b1bμC,bq2b=b–2bμC,bandb
q3b=b3bμCbatbthebcornersbofbthebequilateralbtrianglebwhosebsidebsb=b40bcmbisb
A.bb1.10bJbbbbb
B.bb0.990bJbbbbb
C.bb–0.631bJbbbbb
D.bb0.330bJbbbbb
E.bb–0.113bJb
Ans: E Section:bb17–2bbbbbType:bNumerical
7.b
Thebelectrostaticbpotentialbenergybofbthebsystembofbpointbchargesbq1b=b–1bμC,bq2b=b2bμC,bandb
q3 =b3bμCbatbthebcornersbofbthebequilateralbtrianglebwhosebsidebsb=b50bcmbisb
b
A.bb18.0bmJbbbbb
B.bb–18.0bmJbbbbb
C.bb21.6bmJbbbbb
D.bb–24.4bmJbbbbb
E.bb1.23bmJb
Ans: A Section:bb17–2bbbbbType:bNumerical
TestbBankbforbCollegebPhysics TumerbSayman
, 8.b
Fourbpointbchargesbq1b=b–
1b C,bq2b=b2b C,bq3b=b3b C,bandbq4b=b4b Cbareblocatedbatbthebcornersbofbabsquarebwhosebsidebsb=b1b
m.bbThebelectrostaticbpotentialbenergybofbthisbsystembofbchargesbisb
A.bb0.140bJbbbbb
B.bb0.176bJbbbbb
C.bb0.286bJbbbbb
D.bb0.337bJbbbbb
E.bb0.492bJb
Ans: A Section:bb17–2bbbbbType:bNumerical
9.b
Fourbpointbchargesbq1b=b1b C,bq2b=b2b C,bq3b=b3b C,bandbq4b=b4b Cbareblocatedbatbthebcornersbofbabs
quarebwhosebsidebsb=b1bm.bbThebelectrostaticbpotentialbenergybofbthisbsystembofbchargesbisb
A.bb0.167bJbbbbb
B.bb0.176bJbbbbb
C.bb0.286bJbbbbb
D.bb0.337bJbbbbb
E.bb0.492bJb
Ans: C Section:bb17–2bbbbbType:bNumerical
TestbBankbforbCollegebPhysics TumerbSayman
