94.07: A positively charged conductor attracts a second object. Which of c m lg-a( m1yb+cyb(-cthe follc (l-gcyy-m 1bab+mc(owing 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 gm. k m /c;tn1arnumg:*iven a net negative charge and held at rest. Which of the followir m;* mu/ncm1naktg.: ng statements is true?

  15.08: A negatively charged balloon remains at rest when placed on h*4nc*dtio, a ql70rm a vertical wall. Which one of the following terms is most closely associated with the electrical phenomenon allowing the balloon to remain on the wal7,qdmco ntai*l h*r04l?

  01.37: A long straight wire viewed end on cawv4x9jnb z3h* jt-tb7lu 1;ccb2jv o; rries a conventional electric current out of the paper as shown in the diagram. What is the direction of the associated electric fielhjwtbn- 2j;* bxvc1j co7 zb3;9v4 utld at point P?

  97.05: Point charges 1 and 2 have equal magnitude. The diagram to the ridjn2pezny-:0aj- gk n9 k y0y, 5ct3ztght shows the electric field lines surrounding k:09-t k0 t3,c-ye2znyanj dyn pzj g5them. Which of the following statements is true?

  07.26: For the diagram shown below, what is the ra/ z4jj8k(vtgs tio of the charges q1 and q2 , where the diagram shown has a representat8vgj sk/4( tjzion of the field lines in the space near the charges.

  05.17: A small positive test charge is placed at point P in the regixbnva 5;4w;jwlpjf56h*g: v won near two charges. Which of the following lvj*;n4x6ww5pbv:;jg waf5h arrows indicates the direction of the force on the positive test charge?

  11.05: A positively charged rod is brought near a metal elen19om2jn2eua) q(aa j mq 6as(ctroscope that is initially uncharged. As show( qomnae( qa2jaaj n )29s6m1un 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. Which one of the following choices is the best explanation for this phenomenon?

  04.15: A positively charged object is brought near but)v6 7biuq8ncm not in contact with the top of an uncharged gold leaf electroscope. The experimenter then briefly touches the electroscope b 8iv mc6q)nu7with 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 top of the electroscope?

  98.09: An electroscope is given a positive charge, causing its foil leaves to n xfl;*ojcr2, itmfn.,8kl*ksd k;5 kseparate. When an object is brought near the top plate of the electroscope, the foils separate even further. We could concludetiskk*flo*,rkl2 .c8 nmf;nd,j x5;k

  97.06: A charged rod is placed between two insulated condqop,v0c)d 282 bdkgh( eroy0sucting spheres as shown. The spheres have no net charge. Regios0d ,cqohe yb8k0( 2pr)ogv 2dn II has the same polarity as Region

  09.23: A person rubs a neutral comb through their hair and the comb becomes a: )hqtfh ;73rfbgi0vnegatively charged. Which of the followinai3hfqt7:hb; g)0rv fg is the best explanation for this phenomenon?

  02.09: When a positive electrically charged glass rod is brought nu3dca.r f6d) 5i4c huyu(1x yhear a neutral hollow metal sphere suspended by an insulax56dy ui1dr.)3hy cfhauc (u 4ting string, the sphere will be attracted to the rod because:

  02.24: Two small hollow metal spheres hung on insulating tgg(lrd-+ nk ,whreads attract one another as shognrw(lk, +gd-wn. It is known 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 charged non68n yn.krlu1t-conducting spheres on insulating 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 correctly illustrates the magnitude and direction of the electrostatic force between the spheres whe1lnny6ut r8.kn they are released?