94.07: A positively charged conductor attracts a second object. Which of the foll uiv q-w3zb5+9q9akqlowing stalzk- i+ q93baw q5u9vqtements 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 rest. Which onl9 z7(kxvkz.yylcy 93 fm n)-f the .( k)9n 7 xvkmnc3y-y9y fzzllfollowing statements is true?

  15.08: A negatively charged balloon remains at)zyaqd/ k*g :c rest when placed on a vertical wall. Which one of the following terms is most closely associated with the electraq/c):g kzdy *ical phenomenon allowing the balloon to remain on the wall?

  01.37: A long straight wire viewed end on carri()i2c pzycez( es a conventional electric current out of the paper as shown in the diagram. What is the directiye(ic)2pz c(z on of the associated electric field at point P?

  97.05: Point charges 1 and.1 nvcpa1x qz(*ji+mv 2 have equal magnitude. The diagram to the right shows the jcv*1 n1pvx+ ( mzqia.electric field lines surrounding them. Which of the following statements is true?

  07.26: For the diagram shojxm v5( z wur9c0)m+vown below, what is the ratio of the charges q1 and q2 , where the diagram shown has a representamr) zvj5u(v9w c+ oxm0tion of the field lines in the space near the charges.

  05.17: A small positive test charge is placed at point P in the region need.(ksmr.g9q p wj 8-dg:(pqpar two chargeq g d.q p( :r.pk(w8-jesdm9pgs. Which of the following arrows indicates the direction of the force on the positive test charge?

  11.05: A positively charged rod is brou,8dwe:wl;s-nqq:u (iea ,pufght near a metal electroscope that is initially uncharged. As shown in the figure, the rod does not touch the electroscope. There is no charge transfer between the electroscope and rod,wpl qe,-:( ;,dqniueawusf8 : 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 b-.4n/ pv)kj. pdaqo xis brought near but not in contact with the top of an uncharged gold leaf electroscope. The experimenter then briefly touches the electroscope with a finger. The finger is jk-nv4p.)o.dpqb /axremoved, followed by the removal of the positively charged object. 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 leaves to -)-sohrx1 nd z103:rkp bd(essd h(hhseparate. When an object is brought near the top plate of the electroscope, the foils separate even further. We could concl dszo)sheh db(hkrh--rx:0psd3( 1 n1ude

  97.06: A charged rod is placed between two insulated conducting spheres as sh5 pujw5 coof*+own. The spheres have no net charge. Region II ho+upfj5 cow *5as the same polarity as Region

  09.23: A person rubs a neutral comb thrbur*tpk tqzf++pes(9,ayj;5 ough their hair and the comb becomes negatively charged. Which of the following is the best expj +,q z+s*rtetpf5kpy9ba ; u(lanation for this phenomenon?

  02.09: When a positive electrically charged glass rods+bl4mw3o p 1p is brought near a neutral hollow metal sphere suspended by an ins 1pow+4m3pl bsulating string, the sphere will be attracted to the rod because:

  02.24: Two small hollow metal spheres hung on insulating threarb y 45-kygpk )3lo)rdds attract one another as shown. It is known that a positi3- )5ob dl kyg4rp)rykvely 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 spktj7txjat 5 cc5im-q*,ndeq m));l6z heres on insulating bases areplaced on an air table. Sphere A has a charge +3Q coulombs and sphere B has a charge +Q coulombs. Which of the following correctly illustrates the magniq q)n;z7,*m)6 5dmctijt eajklt5 x- ctude and direction of the electrostatic force between the spheres when they are released?