94.07: A positively charged conductor attrr u4o pqp1 rf)9s/unv::brh f6acts a second object. Which of the following statementspup nrq fufr: v )h1r4ob96:s/ could be true?
I. The second object is a conductor with negative net charge.
II. The second object is a conductor with zero net charge.
III. The second object is an insulator with zero net charge.

  96.07: An amber rod is given a net negative charge and held at resth)ubyll 9/8 xyb j87 f hdmrn;g;,i4te. Which of the following statemujn;89yhrmf /8y ex i lt)hdbg; ,74blents is true?

  15.08: A negatively charged balloon remains at rest when placed on a vew-c1c45-egk(m+jmpr2p0nd w l vb1z frtical wallw 4mp0-2rme5kj d1blz cv1wpfc n+(g-. Which one of the following terms is most closely associated with the electrical phenomenon allowing the balloon to remain on the wall?

  01.37: A long straight wire viewed end on carrie nx(f2(9u imzjs a conventional electric current out of the paper as shown in then9(2juixfzm ( diagram. What is the direction of the associated electric field at point P?

  97.05: Point charges 1 anw lnj9zq8djwrf .8k sz7.3ng1d 2 have equal magnitude. The diagram to the right shows the electric field lines surroundijwjz7 nng8 9zfs.k8 .dr1q 3wlng them. Which of the following statements is true?

  07.26: For the diagram shown below, what is the ratio of the charges qk) smq1wkge:5 / hm2bz1 and q2 , where the diagram shown has a representation of the field lines in the space near thm 2/kk1sheq w:)mgz 5be charges.

  05.17: A small positive test charge is placed at pointohq70 dx/ /6mbl+xdwxo3 9 enr P in the region near two charges. Which of the following arrows doe x9n w /qmx6hob 3dx0/7+rlindicates the direction of the force on the positive test charge?

  11.05: A positively charged rod lkqt70 r*rpd 3i 0fvo(is brought near a metal electroscope that is initially uncharged. As shown in the figure, the rod does not touch tr( d0vqlr*i30p7 o kfthe electroscope. There is no charge transfer between the electroscope and rod, but the leaves of the electroscope move apart from each other when the rod is brought near the top of the electroscope. Which one of the following choices is the best explanation for this phenomenon?

  04.15: A positively charged object is brought near but not in contx* x: ,xys+amdact with the top of an uncharged gold leaf electroscope. The experimenter then briefly touches the electroscope with a finger. The finger is removed, followed by the removal of the positively charged ox d:y+ xasx,m*bject. What happens to the leaves of the electroscope when a negative charge is now brought near but not in contact with the top of the electroscope?

  98.09: An electroscope is given a positive charge, causing its foil lf9 fy+1bdu g5hvdp: 1heaves to separate. When an object is brought near the top plate of the electroscope, the foils separate even fuhy+f fh1 gp9u1d5:bdvrther. We could conclude

  97.06: A charged rod is placed between two insulated +gu0z;hcb0 :, y-s:9gy xbvg a4nb,t gx: onneconducting spheres as shown. The spheres have no net n,:nv g+ y e gg0 b:c:yu,ahn;btzobg09s-4x xcharge. Region II has the same polarity as Region

  09.23: A person rubs a neutral comb through their h)lc tdqii: .0i6bvu j.air and the comb becomes negatively charged. Which of the followbi06 )icvj.q u. :litding is the best explanation for this phenomenon?

  02.09: When a positive er d x-n*s8 gz9yc 46cnp.6teaolectrically charged glass rod is brought near a neutral hollow metal sphere suspended by an insulating string, the sphere will n -c rtdo8ye4gx s*z p96nca.6be attracted to the rod because:

  02.24: Two small hollow metal spheres hung on insulatinpg/ prj5kbnv6eay 6+nn /6 7vtg threads attract one another as shown. It isbp5/ae+nvv6 676gn jyptnkr / known that a positively charged rod will attract ball A.
I. Ball A has a positive charge
II. Ball B has a negative charge
III. Ball A and Ball B have opposite charges
Which of the above can be correctly concluded about the charge on the balls?

  06.36: Two uniformly charged non-conducting spheres on insulating bases arepa5 cfsip r-,edbo :8xpqf(:4glaced on an air table. Sphere A has a charge +3Q coulombs and sphere B has a charge +Q coulombs. Which of the following correctly illus-5(:sqfpf4o,br :cpxe 8iad gtrates the magnitude and direction of the electrostatic force between the spheres when they are released?