94.07: A positively charged conductor attrakz r:(5l 2(s b3f+kzlqckt2 gacts a second object. Which of the following statements could be ta:s+k2zq5gfk (kl2cr3 lz(b 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 rest. Which ofq )lmwisi :,kl 2g-k7m the followi )q7lmmi:l-kw2i sk g,ng statements is true?

  15.08: A negatively charged balloon remains at rest when placed on a qbk0c xdr4-wx,ewse (nxa ;,ah 7j 9i:vertical wall. Which one of the following terms is most closely associated with the electrical ph(w eia :k; 0,9sqa bh 7d,-wxxxec4jnrenomenon allowing the balloon to remain on the wall?

  01.37: A long straight wire vic)ixm 6h ;o5bi94qdafx:/p kdewed end on carries a conventional electric current out of the paper as shown in the diagram. What is the fp5kh9; bd4iamoc )6:q / xdxidirection of the associated electric field at point P?

  97.05: Point charges 1 and 2 have equal magnitude. The divw2(+ hyet. gp*o*1qnwpyv 6uagram to the right shows the electric field lineswp6t y2q +vu*w.v h*1no(ypge surrounding them. Which of the following statements is true?

  07.26: For the diagram shown below, what is the ratio of f+t/e.rw z8 jnthe charges q1 and q2 , where the diagram shown has a representation of the field lines in the space near the char+.n/fw8ze jtrges.

  05.17: A small positive test charge is pla.; 1 5:ypdpiurc 36hpjoio8qwced at point P in the region near two char .yp6jhp5 : p1ocw r;3io8iuqdges. Which of the following arrows indicates the direction of the force on the positive test charge?

  11.05: A positively charged rod is brought near a metal electroscope that aa4b6w*ws3t s 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, butass*w t64w 3ba 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 objlh 1pmu4f6py n0id g l5:.rdb8ect is brought near but not in contact with the top of an uncharged gollgh0ppl:fddr4biy8 516 .mnud 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 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 jx 6p-sqvf;y0*a /1zp3 vs etaleaves to separate. When an object is brought near the top plate of the electroscope, the foils separaxs/paf*vsp-13vy jq0ta6z e ; te even further. We could conclude

  97.06: A charged rod is placed between two odthzcb 5+el(o*rmz3l s(e k.1;c -nlinsulated conducting spheres as shown. The spherec.ohmen (+zr ;tb-1s*5o lz3 dlel( kcs have no net charge. Region II has the same polarity as Region

  09.23: A person rubs a neutral comb t gi- )0pag+gelhrough their hair and the comb becomes negatively charged. Which of the following is the best+-0ggi)agp l e explanation for this phenomenon?

  02.09: When a positive electrically charged glass rod is brought qh)mojdy fo,e(6y 7g jnytxu ,ho;x0*d+vc 9;near a neutral hollow metal sphere suspended by an insulating string, the sphere will be attracted to the rod becaus(o yv d ;,o)th;f,j9j7qdcxy xon+ugh0 *6eyme:

  02.24: Two small hollow metal spheres hung on ind -m kzno(7nt uww7.5lsulating threads attract one another as shown. It is known that a positively charged rod will attract ball 57w7ow-znn ltk.dum( 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 insulyoyi+, ghra :7ating bases areplaced on an air table. Sphere A has 7y g:y+r aio,ha 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 when they are released?