94.07: A positively charged consg.dgxx ;p4g0 j*- (s8po dznrductor attracts a second object. Which of the fol;xr *x-ggpd(z 8j.0s p n4gdsolowing statements 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 net8ihp fu)ha1* pn usp)c*xj5/,p dbv q, negative charge and held at rest. Which of the foll5n8 chd1ih)xufqp */p,v ua,p p)j*bsowing statements is true?

  15.08: A negatively charged balloon remai a:6l n1olopuy 7*rd.jns at rest when placed on a vertical wall. Which one of the following terms is most cln.*uo7alpd 6:yoljr1osely associated with the electrical phenomenon allowing the balloon to remain on the wall?

  01.37: A long straight 2zsjnof,4y* wbzhs wil j0 +c+)jr9); obe:eewire viewed end on carries a conventional electric current out of the paper as shown in the diagram. What is the direction of the associated electric f ejw)jl+b),:+ osj s ;c2wefo0 4ze* 9nrbzhyiield at point P?

  97.05: Point charges 1 and 2 have equal magnitude. The diagram to ./5z /oz imtygthe right shows the electric field lines surrounding them. Which of the foll5yz o .gt//mziowing statements is true?

  07.26: For the diagram shown below, wha.l1btft,i6 x l l2gm1mt is the ratio of the charges q1 and q2 , where the diagrgl,t2 il11xmtfbm6 .lam shown has a representation of the field lines in the space near the charges.

  05.17: A small positive test charge is placed aa ut/pu1:ut -xt point P in the region near two charges. Which of the following arrows induaxt 1:utu-p/ icates the direction of the force on the positive test charge?

  11.05: A positively charged rod is brought near a metal electroscope that is iu tmjr1-) xl5 hnhl0 of)jy:3knitially 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 rod5lfk3x0y o-jhtr:u )hm l1j)n 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 budqa/eq3 bxz3dlct7qx w4 z x43wak;04t 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, follo3zxxx4wl;7ade bd/4a qtz03kqq3 c w4wed 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 given a posut.nq q4(*lf ley4ja )itive charge, causing its foil leaves to separate. When an object is brought near the top plate of the electroscope, the foils separate even further. We c(e u lqnfylj4t) q*.4aould conclude

  97.06: A charged rod is placed between 5u6qz s)lb0yp dqvf qtwi n;h90w2vbj8q. m,6two insulated conducting spheres as shown. The spheres have no net charge. Region II has the same polari 6u59)vqy0sp wjq w8b.b6mqn,d 0 h;2qiz tlfvty as Region

  09.23: A person rubs a neutral comb through their hair and the yxdd8 h+n:)yd zbx.ptw7,jc;comb becomes negatively charged. Which of the follow8d d ,t;y+.7)jhdx ypznw :xcbing is the best explanation for this phenomenon?

  02.09: When a positive electrically charged gla41pe:e sew dw3p8f)edss rod is brought near a neutral hollow metal sphere suspended bewf:s1 4)e3ddwpepe8y an insulating string, the sphere will be attracted to the rod because:

  02.24: Two small hollow metal spheres hung on yn g;1dmq aiha92ctu81h 0g; sinsulating threads attract one another as shown. It is known that a positively chargedhm0dia gsahnqc;g811;t9 2yu 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 jq)gw mrv0s,g9(v(q jareplaced on an air table. Sphere A has a charge +3Q coulombs and sphere B has a charge +Q coulombs. Which of the following correctly illustrates the magnitude and direction of the electrostatic force bvr g0j((j gv,q)9qmsw etween the spheres when they are released?