94.07: A positively charged conductor attracts a second objec6k(wgo(o jku,t. Which of the following statements could be true?,go(uo( wk6jk
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 7ou :chofo;hf2)jjqol 31jl1 and held at rest. Which of the followingo1ooj ;:h qlljf7)3fh2 c uoj1 statements is true?

  15.08: A negatively charged balloon remains at lsye2l )j2osudfh;hy28q /m3o/q 3wc rest when placed on a vertical wall. Which one of the following terms is most closely associated with the electrical phenomenon allowing the balloon to remain on thj s)3hd2 weoofys/2h28 qmuq; lyc/3l e wall?

  01.37: A long straight wire viewed end on carr fu6xg2wtr7c +ies a conventional electric current out of the paper as shown in the diagram. What is the direction of the asfr2cwtg+ 6u x7sociated electric field at point P?

  97.05: Point charges 1 and 2 have eb8 ,cng4t 9broqual magnitude. The diagram to the right shows the electric field lines surrounding9bgbnctro48 , them. Which of the following statements is true?

  07.26: For the diagram shown below, what is the ratio of the chalk+d7qf j m)(7 hh 5(wh;gkjypbln-,srges q1 and q2 , wher5l(7d + ,lng -k bw7jphjkqsfhm;)h( ye the diagram shown has a representation of the field lines in the space near the charges.

  05.17: A small positive test charge is placed at point h*nu 5 a+3n9j/pcnvi eP in the region near two charges. Which of thenc*i 5jup/ vn 9+anh3e following arrows indicates the direction of the force on the positive test charge?

  11.05: A positively cha/wnh5kuw 1mhv81+yz mwe)8 durged rod is brought 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, but the leaves of the electrosco m/y1 5ndm+ukw)w1v uzh88ewh pe 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 )t9yuo wm/46arv* a zmnear but not in contact with the top of an uncharged gold leaf electroscope. The experimenter then briefly touches thv4a*rut 96o/my mawz)e electroscope with a finger. The finger is removed, 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/r w glec56n+v given a positive charge, causing its foil leaves to separate. When an object is brought neac6e v+5 glwr/nr the top plate of the electroscope, the foils separate even further. We could conclude

  97.06: A charged rod is placed between two insulated conducting spheres as shohz:4+6 bjrl 9prj:l1bgqnqf6 wn. The spheres have no net charge. Regiofl 1:qqpj +:lr96hnbz 64rgbjn II has the same polarity as Region

  09.23: A person rubs a neutr- w 2vr(x(lxkwv* i:gval comb through their hair and the comb becomes negatively charged. Which x2( rx gvviv(kw-lw*:of the following is the best explanation for this phenomenon?

  02.09: When a positive electrically charged glass rod is brought nea, dgwq +9v,4bl-y vebar a neutral hollow metybe4 wlvqv,9-bg,+ad al sphere suspended by an insulating string, the sphere will be attracted to the rod because:

  02.24: Two small hollow metal spherfbw(5 dua/uw+ :zdqo)es hung on insulating threads attract one another as shown. It is known that a positively chargd /zuaw5ob)( +fuw q:ded 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 in3tmsf9ncrhml )wqn q1/w490 tsulating bases areplaced on an air table. Sphere A has a charge +3Q coulomfn)0 9q w1crt4wm9tsmn ql3/h bs and sphere B has a charge +Q coulombs. Which of the following correctly illustrates the magnitude and direction of the electrostatic force between the spheres when they are released?