94.07: A positively charged conductor attracts a second objectpt ,,x; tdc/3d+eo)h fll/s54lf fy kb. Which of the following stateme,tl/ t3de4fl ;cofkh5s+d) p xblf/y,nts 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 resm +bhma. rla:yo0 s,p;t. Which of the following stasl;hrbpoymm :+ 0.,aa tements is true?

  15.08: A negatively chargeb9*-gjw p,pkuqmlcl2el 77h4d balloon remains at 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 remahl ,4 2jp7lpb-um*w7q9geckl in on the wall?

  01.37: A long straight wire vib.,+ov cdf,y4 nyb;gw ewed end on carries a conventional electric current outn;o. +bycv,gwy4d,bf of the paper 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 magnitude. The diagram to the -g3y2wdyr yq 1right shows the electric field lines surrounding them. Which of thrq y3-dyg1 y2we following statements is true?

  07.26: For the diagram shown below, what is the ratio of thnaimji84 /0f ov-l ts0e charges q1 and q2 , where the diagram shown has a representation of the field lines mt00v-/j 4 als8f inioin the space near the charges.

  05.17: A small positive test charge is plac21axa;g;uuu ig *ai l5ed at point P in the region near two charges. Which of the following arrows indicates the direction of the force on thl ;ua*uig; aga1u5i2xe positive test charge?

  11.05: A positively charged rod is brought near a metal eozdh;ij25u 2j ;fh em52gdzl, lectroscope 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 rodzzlh gf2m,dh;e o;5ui252 j jd, 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 npb4hgogyy+:fzi u) /f8 ykj2-ot 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 hjph:fiogy/u8z42g fk-y +) byappens 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 po;h-jpnt ( d:*ubwhls(sitive charge, causing its foil leaves to separate. When an object is brought near the top plate of the electroscope, the fs-: dl h*p(;bujntwh (oils separate even further. We could conclude

  97.06: A charged rod is placed between two insulated conducting spheres as sjx*p3*0br3l *bbhp znhown. The spheres have no net charge. Region II has the same po l*br3x0nj*bphzp 3b*larity as Region

  09.23: A person rubs a neutral comb through their ha3 9gmnbuu;.tp;d6xm bir and the comb becomes negatively charged. Which of the following is the best explanation for mbn;6p;x9u ugd 3mt.bthis phenomenon?

  02.09: When a positive electrically charged glass rod is broughts pzi81qhunh jp6l81 b p:c83r near a neutral hollow metal sphere suspended by an insulating string, t8nu1spl hch 6z b:31pq8r8 jpihe sphere will be attracted to the rod because:

  02.24: Two small hollow metal spheres hung on insulating threads attract one(wu9.mp ipf 0s c554di(un-kq iwjyj9 another as shown. It is known that a poswc9pyjn5 -9(u5wfm(k0pi.jq siiu d4itively 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 arepl ql3fs2 +3o:q7gbof zp tc*;v8yfr7qcaced on an air table. Sphere A has a charge +3Q coulombs and sphere B has a charge +Q coulombs. Which of the following corref zo+sc o3*qyqf:87g7b 3p ;vltf2qcrctly illustrates the magnitude and direction of the electrostatic force between the spheres when they are released?