94.07: A positively charged conductor attrt 7anrgmab,(b)l 1x/pacts a second object. Which of the following statem(l, r/b)bmxg1a7nat pents 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 oj *ys,y 0r9*9x 12tpnqschif given a net negative charge and held at rest. Which of the following statements i ic pthjfsq20yo* y ,9nxrs91*s true?

  15.08: A negatively charged balloon remains at rest when placep;1 tuf bdvty zh,n0xqu5 g9r45dc/ 3fd on a vertical wall. Which one of the following terms is most closely a4dc; p3u05uvtnd9,rfhy5b/ 1zf gq txssociated with the electrical phenomenon allowing the balloon to remain on the wall?

  01.37: A long straight wire viewed end on carries a con6idt+jvzc m e;xma/8)9 he 1/w(vuxicventional electric current out of the paper as shown in the diagram. What ihm(ac9x8cezv+i6 v)u;ixd/t1 /jwme s the direction of the associated electric field at point P?

  97.05: Point charges 1 and 2 have equal magnitudn 4kq olz1ah3:e. The diagram to the right shows the electric field lines sur n:q1koa3h zl4rounding them. Which of the following statements is true?

  07.26: For the diagram shownsppmv zr8n4:g4dm-5izj*l ph: i7 j3q below, what is the ratio of the charges q1 and q2 , where the diagram shown has a representad:vl 3rpnsmj -8zm4*gji5 7:pqzh i4ption 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 near two h gja 8g3da.1t vb0yc/charges. Which of the followin/vy8gag 3hdb.j0ac t1g arrows indicates the direction of the force on the positive test charge?

  11.05: A positively charged rod is brought near a metal electroscope that i8w i:nbtkyg*vg;;i/ a-sw yw5 s 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 electroscope move apart from each other when the rod is brought near the top of the electroscope. Whiw 5y ;ig :t*awis/k;-nwy8bgv ch one of the following choices is the best explanation for this phenomenon?

  04.15: A positively charged object is brought near but notrvxne hvd014l 3 ap7iw()qw, n in contact 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 object. What happens to the leaves of the electroscope when a negative charge is now brought near but not in contact with the ,xi3d) n lw7r4nv(h0aw v p1eqtop of the electroscope?

  98.09: An electroscope is given a positive charge, causing its foil leaves to knzx1qy m+,d)separate. When an object is brought near the top plate of the electroscope, the foils sepzn+dqk1y m )x,arate even further. We could conclude

  97.06: A charged rod is placed between two insulated conducting spheres as shownb4oh; hk36 r8hlnil+s. The spheres have no nek8lh3 b;nl 46i orh+sht charge. Region II has the same polarity as Region

  09.23: A person rubs a neutral comb through their hair and the com po05 dy -*hcl3(zkvoab becomes negatively charge5kp0(-aod cz3 o*y vhld. Which of the following is the best explanation for this phenomenon?

  02.09: When a positive electrically charged glass rod-+t0s* ckx:*dk hg ok3.qlady is brought near a neutral hollow metal sphere suspended by an insulating string, the sphere will be attracted to q3.k kgctkx-s*d :ly 0adho +*the rod because:

  02.24: Two small hollow metal spheres hung on insulatmt6ystd jd a/stg9d2q 0 84lj8ing threads attract one another as shown. It is known j t28gtjd6s0d8 lyt/s9m4qd a 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 char8k3b.vt r bqq1ged non-conducting spheres on insulating bases areplaced on an air table. Sphere A has a charge +3Q coulombs and sphere B has a charge .bvtq381 rbkq +Q coulombs. Which of the following correctly illustrates the magnitude and direction of the electrostatic force between the spheres when they are released?