94.07: A positively charged conductor attracts a se9 ppmy: fjow(7i(8avow3vo *f v*2c)d +ggpkncond object. Which of the following s*g pp 3i wavjyn)vv298m(okfo+w pfdco*7 (:gtatements 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 negatives w4s 5yv59)3tz t8 +8nu ck ol9toozvtu1y.sq charge and held at rest. Which of the follow8y uszzot c 95o5 l9ksq+w81toy43vt)u. tvnsing statements is true?

  15.08: A negatively charged balloon remains at rest when :i6qx+0y 5yb:l1xb*gnm vn npplaced on a vertical wall. Which one of the followi+mi xvn06ngny1 qp 5:bbx*l:yng terms is most closely associated with the electrical phenomenon allowing the balloon to remain on the wall?

  01.37: A long straight wire viel i tf8e)*sg7nwed end on carries a conventional electric current out of the paper as ie7g* )n8stl fshown 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 r)g.ufh yk f*c b9n3i; ghv9n3right shows the electric field lines surrounding u i )y;h*3khgnvcr3 n9 .gffb9them. Which of the following statements is true?

  07.26: For the diagram shown below, what is the ratio of the charges q1 y9pc77c. z9wkfqfao l/w; up- and q2 , where the diagram shown has a representation of the field lines in the spacez9flp-a7.kyf /p7wccw qu; 9o near the charges.

  05.17: A small positive .x,* moodb y3otest charge is placed at point P in the region near two charges. Which of the following arrows ,. 3yo mdboo*xindicates the direction of the force on the positive test charge?

  11.05: A positively charged rod is brought near a metal electroscfer0+(c*ggh 2y1kr phh .q1pzope that is initially uncharged. As shown in the figure, the rod does not touch the electroscope. There is no charge transfer between the electy2cgh0 1z pr h*r(k.pq g1f+ehroscope 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 ebo8pldt) :9/f 2y*,pcm fil.ycvvyasf*,)j 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. Whaa*ytv,b)i 9pcl yj flpys )/fve*f,d:m 8oc .2t 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 pos2 3u0fau nyjr)xul38k itive charge, causing its foil leaves to separate. When an object is brought near the t 32ru3u8f ku)y lxajn0op plate of the electroscope, the foils separate even further. We could conclude

  97.06: A charged rod is placed between two insulated conducting spheres a l6-,yxyhg+:vk *d1 karpqtbwi0du5 6 s shown. The spheres have no net charge. Region II has the same polarity ask +ibrhy-vgaylp*5k6d u: 01w ,qd6xt Region

  09.23: A person rubs ptw7-r,1bi/( kw e.ml smjq;ja neutral comb through their hair and the comb becomes negame b qkj(1r,l. 7tji;sww-p/m tively charged. Which of the following is the best explanation for this phenomenon?

  02.09: When a positive electricairnx keu(yw1s+4r;8z lly charged glass rod is brought near a neutral hollow metal sphere suspended by an insulating string, the sphere will be attracted to ke48y ru(ns wx;z1r+i the rod because:

  02.24: Two small hollow metal spheta dvl;ocm0q-a.b (e,wil *7g res hung on insulating threads attract one another as shown. It is knoww(d0.-ile;a7qv l ,o*mgab ctn 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 uniformlyfqw/j 1sfhc6 1 rudd61 charged non-conducting spheres on insulating bases areplaced on anjuf/h d6qfd 1rws611c 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 when they are released?