94.07: A positively charged conductor attracts a secon6xio4 m 0/npjcd object. Which of the following statements could b/ 4pn6xjciom0e 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 an 1zlx+m, hj1jqev.d s2f7qe z-d held at rest. Which of the following 17 d2ejfhmxvz.-q+ze, qj l1sstatements is true?

  15.08: A negatively cqvvq10a * 7lruharged balloon remains at rest when placed on a vertical wall. Which one of the following terms is most closely associated with 10*rvuqaql 7v the electrical phenomenon allowing the balloon to remain on the wall?

  01.37: A long straight wire viewed end on carvv. suiey( :sfc9/)cqkuu;9u ries a conventional electric current out of the paper as shown in the diagram. What is the direction of the associated elece9cyvc9)/; fv.uuu(qik: sustric field at point P?

  97.05: Point charges 13u)f1 cjea ,udn t (c)0olvqut7+3zru and 2 have equal magnitude. The diagram to the right shows the electric field lines surrounding them. Which of the )rt3c,z(f3jtnou euc vlau q )71u 0+dfollowing statements is true?

  07.26: For the diagram s se.fxlr.1pj 6hown below, what is the ratio of the charges q1 and q2 , where the diagram shown has a representation of the field lines in the spaj fsex6.rp.1lce near the charges.

  05.17: A small positive test charge is placsyip ho:zm4 /334k jhced at point P in the region near two charges. Which of the following arrows indicates the direction of the force on the p3h : khc4moi4p3z sj/yositive test charge?

  11.05: A positively charged*/ofer3fe m /x 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 electroscope move apart from each other when the rod is brought ne/3rm*xo fee/far the top of the electroscope. Which one of the following choices is the best explanation for this phenomenon?

  04.15: A positively charged object islud4 w /z( mh,lait1e2 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 removed, followed by the removal of the positively charged object. What happens to th, we1a2im4ulz d/(lh te 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 g: /q bg0.hmpikiven a positive charge, causing its foil leaves to separate. When an object is brought near the top plate of the electroscope, the f :gb/.hqp mi0koils separate even further. We could conclude

  97.06: A charged rod is placed between two insulated conducvc+ly/2 -bo /ai(3nnca44l ,rhy uxwgting spheres as shown. The spheres have no net charge. Region II has thevg a/icohlc r-nx2u 4by4l/3awy ,(+n same polarity as Region

  09.23: A person rubs a neutral comb through their hair :ux5 x ysqa1k(iq9:eecr4e 7xv fp68pand the comb becomes negatively chargu ek1ix5v7 sxe::8c f4aq(pp6exyq9 red. Which of the following is the best explanation for this phenomenon?

  02.09: When a positive electrically sz 6p8p ,vz iqi0yv)b.charged glass rod is brought near a neutral hollow metal sphere suspended by an insulating sp.v ,zipbz y6 si0)qv8tring, the sphere will be attracted to the rod because:

  02.24: Two small hollow met nj(f7ko- nc+b25aulnb usm ;-al spheres hung on insulating threads attract one another as shown. It is known that a positively charged roduf-k5+cm jn( 2b-blosa; 7un n 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 baf*vx7pi2 .d6l ws h/bnses areplaced on an air table. Sphere A has a charge +3Q coulombs an f.l7widv *hpn2s/6bxd 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?