94.07: A positively charged conductor ut1rs d(pjy.9e .w9kp attracts a second object. Which of the following statementsepr (ysd.1 k .tj9wp9u 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 giveniu6:gn)gf8ac)o;,4b fx i rtv a net negative charge and held at rest. Which of the following statements is trufg iv:n cg6uf)xai),t r8o;4be?

  15.08: A negatively charged balloon rema-/k-/63 whf1 xpeotrmk7 rk3oy +rxu bins at rest when placed on a vertical wall. Which one of the following terms is most closely associated wit+r/k --b7 wp/ym rkx3fe3h x1uo6 rtkoh the electrical phenomenon allowing the balloon to remain on the wall?

  01.37: A long straight wire viewed end on carries a conventionx41 zf08: uwxsn zf7lpal electric current out of the 4w1u07 pzfxn z:f8sx lpaper as shown in the diagram. What is the direction of the associated electric field at point P?

  97.05: Point charges 1 and 2 have equal magnitudeh8 x +6md3 8b yo9ixgp/ieeu+f. The diagram to the right shows the electric field lines surrounding them. Which of the following st9yo++ g3eb/i6mpf 8diu8eh xxatements is true?

  07.26: For the diagram shown below, what is the ratio o yq: 2(g*abwtyn)nb7:o 7jeyef the charges q1 and q2 , where the diagram shown has a rea(: 2q)ewtny*yoebgj7y7: bnpresentation of the field lines in the space near the charges.

  05.17: A small positivlp6ndxen v;x , qgd gxbaf:0w1f,v3upi/,:2ce test charge is placed at point P in the region near two charges. Which of the folllqg3pn6/u0;afdxpx,1cw x:ge ,fin b ,2d vv:owing arrows indicates the direction of the force on the positive test charge?

  11.05: A positively charged rod is brought near a metal electroscope thaayj5 u1+63ci lx/c kav 8jt8fat is initially uncharged. As shown in the figure, the rod does not touch the electroscope. There is no charge transfer between the electroscope kx3l6+f5j8v a a1/ tjc8ca uiyand 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 contact with the/-i tv:6wytcm:kc 7gt 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 v/ctiwtkg::m6c-y t 7 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 skjr-9 a+wc:ebbhx0wxy7w) v4 eparate. When an obj vewxajw:9kb0w 74ybxc)+ h-rect is brought near the top plate of the electroscope, the foils separate even further. We could conclude

  97.06: A charged rod is placed between two insulated cono6.mzv57g h otszcs/ vy8np)7ducting spheres as shown. The spheres have no net charge. Regioncnoso v.pm z)y h7v g85t6/zs7 II has the same polarity as Region

  09.23: A person rubs a neutral comb through their hair and the comb becomes ,bb)u txb,;3sux 5i/e1 q kskknegatively charged. Which obkx 51i3bu k )x/,ksse,uqb ;tf the following is the best explanation for this phenomenon?

  02.09: When a positive electrically charged glass rod is brought near a neutralj2 vach+2n+ tw, v,jebksz(e( hollow metal sphere suspended by an insulating string, the sphere will be attracted wa+cs2e(evhkz2 n+v (j, ,btjto the rod because:

  02.24: Two small hollow metal spheres hung on insulating threads att)b jcl6z a8w(vract one another as shown. It is known that a positively charged rod will azalv(b 68jwc )ttract 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 insulatc:bcz1c7f r7g;wta o (zd.m iffi:7:ping 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 cm1cdic7af.z cow: irpf; 7:tz7fgb (:orrectly illustrates the magnitude and direction of the electrostatic force between the spheres when they are released?