State the law of conservation of electric chevs.ppt z ez q:seod5+ /)(u.marge.

  Is it possible for two negative chargesr- 0axqz8e z5+57zfx6hccm ab to attract each other?

  Is it possible for a positive and a n ,yxlpud/nd8c 5an a0;egative charge to attract each other?

  A glass rod is rubbed wgk*/.y 2s glux-kno3p ith a piece of silk. During the process the glass rod acquires a p.u- k2g3ln/y*g kpox sositive charge and the silk

  A proton carries a

  The model of the atom showigsm: - ibn)4tvdg4 tbu.owa9 f;l .k*s a

  A neutral atom always haq5dkr sf2 agegaa2ft(9; qx f 8/ovr4/s

  An atom has more electr t qb.t7obe n06f)ya/zvmd*4v:jwx4vons than protons. The atom is

  Materials in which the electrons are bound very tightnqzk4udc9vr: /k j8j8ly to the nuclei are referred to8zj9k rvjqun d48ck/ : as

  Materials in which the electrons are bound very loose983yr1 x8 a0fagnrgaely to the nuclei and can move about freely within the material are referre g 8 3nraag1fry9xe80ad to as

  A negatively charged rod is brought near one end of an uncharged metal barnytr f yo9:(hjl7m4g6,h-nzb . The end of the metal bar fh9rnjb-lfyno( 7 4 tyg, 6mzh:arthest from the charged rod will be charged

  Sphere A carries a net positive charge, and sphere B is nd ( q(g1rs9 8nqbfqo0h: 0nqnpeutral. They are placed near each other on an insulated table. Sphere B is briefly toucn89qhdg 0n1 b(n osq p(0q:frqhed with a wire that is grounded. Which statement is correct?

  How can a negatively charj 1i.e 0 imf3zjejmircm4 4z7:ged rod charge an electroscope positively?

  An originally neutral elec)qn3 p0,l8q 3ekr orior*s(ic troscope is briefly touched with a positively charged glasssr 3,q prr0i(8qo*i)k noe 3cl rod. The electroscope

  An originally neutral electroscope is grounded briefly while a positively char7i+ylzo:z vfa4 dtp:p- vg9 l7ged glass rv:7 9lgpady ozpv-+t :7li4zf od is held near it. After the glass rod is removed, the electroscope

  A positive object touches a neutral electroscope, ac8i5( gjpe h, gd- yy(sp)ee.lnd the leaves separate. Then aeg e. phid((8yy l sge)p5,cj- negative object is brought near the electroscope, but does not touch it. What happens to the leaves?

  A large negatively charged object is placed on an insulated table. A neutra4pf m/h0ti( :;ev nqcbl metallic ball rolls straight toward the object, but stops before it touches it. A second neutral metallic ball rolls 4bef:p/0t;hi vnmqc( along the path followed by the first ball, strikes the first ball, and stops. The first ball rolls forward, but does not touch the negative object. At no time does either ball touch the negative object. What is the final charge on each ball?

  Charge is

  What are the units of the Coulo*zc u6wu o+ghh1:;oazmb constant $k$, which appears in Coulomb's law?

  Two charged objects are separated by a distance d. 4 jkmtux7n33reavy) 0 The first charge is larger in magnitude than the second charge.njaky um)4 xevt733r 0

  Sphere A carries a net charge and sphere B is neutral. They are placed n5(2webdwa* lj ear each other on an insulated table. Which staajldbw (*25 ewtement best describes the electrostatic force between them?

  Two charged objects attract each other with a certain force. If -r/rr xcbd;8ll0)eag2a6q we gf3 wk/the charges on both objects are doubled with nx-qwdgg a/f30l/b)kae 2c e;rr6wr 8 lo change in separation, the force between them

  Two charges are separated by a distance d and exert mutual attractive fo lvikazr*:47de2 6rg yrces of F on each other. Ifr2y lz gvi7ad4e6:rk* the charges are separated by a distance of d/3, what are the new mutual forces?

  Two charged objects attract each other with a fottfs m xyl9:j+k2yt*t 4j6-nw rce F. What happens to the force between them if one charge is doubled, the other charge is tripled, and the separation distance between their centers is reduced to one-fourth its original value? The for2yf* jt+-:stxtm9tn6k ly jw4 ce is now equal to

  An electron and a proton are separated by a distrx- (uu.-s*cf zzoos6 xkh2:aance of 1.0 m. What happens to the magnitude of the force on the proto ( xaufzhur-2c s*:6o.szkox -n if a second electron is placed next to the first electron?

  An electron and a proton are seqw qzm-x4b 6f(parated by a distance of 1.0 m. What happens to the magnitude of the force onbq4(wmq fxz6 - the first electron if a second electron is placed next to the proton?

  An electron and a proton are separated by a distance of 1uo(9ib h(dog).0 m. What happens to the size of the force on the proton if the electron is moved 0.50 mgb ho9(od(i) u closer to the proton?

  A point charge of +Q is placed at the s;jdy) b;:g q 3lcy9njcenter of a square. When a second point charge of -Q is placed at one of the square's corners, it is observe3s;9nj cybyl)gq;:d j d that an electrostatic force of 2.0 N acts on the positive charge at the square's center. Now, identical charges of -Q are placed at the other three corners of the square. What is the magnitude of the net electrostatic force acting on the positive charge at the center of the square?

  A point charge of +Q is placed at the centroi bd q xh4r+)yqnlg)g7c,,lfh 0d of an equilateral triangle. When a second charge of +Q is placed at one of the triangle's vertices, an electrostatic force of 4.0 N acts on it. What is the magnitude of the force that qgx nl0h4qh+g,) cblf rd,)y7acts on the center charge due to a third charge of +Q placed at one of the other vertices?

  Which of the following is not a vector?wg2w+0l *wcm fl:zq1 p

  At twice the distance from a point charge, the strength of xpub1+p g k7/jthe electric field

  Is it possible to have a zero electric field jz.r* a3nqt7n6ydjc w+3k 2hlvalue between a negative and positiv63ad jtk+hq*yrlnz2 7 w3cj.ne charge along the line joining the two charges?

  Is it possible to have a zero electric field value between two positive chargtjh9ww g0+1m pes alotw0gm+1h p w9jng the line joining the two charges?

  Electric field lines near psitive pogpr in rs.p 9v7ae.cx-,scr2dy +78kqcb6vy; int charges

  The electric field s2jwchshq90 2a hown

  Can electric field linev*d 0dcbwz )kk*a;lz1, )qu kws intersect in free space?

  A solid block of metal in electrostatic equilibrium is placed m x5v*cd5 wqkhk(x0ql;rqd3 m51 dr5ain a uniform electric field. Give a statement concerning the50ld(wq15 5m xaq x;3*km rqr5vk ddch electric field in the block's interior.

  If a solid metal sphere and a apoc2g*2)bma hollow metal sphere of equal diameters are each given the same charge, pab)c*2m gao2 the electric field (E) midway between the center and the surface is

  A cubic block of aluminum rests oy6 r/i/p g5s:qk 5ptfuqd(s+k6sb l0pn a wooden table in a region where a uniform electric field is directed straight upward. What can be said co5:g6 ( 5pisdrskbuk0f l+qq s6/p /tpyncerning the charge on the block's top surface?

  If a conductor is in electrostatic equilibrml0xt l :;jp:l,7si3w ub0ysoium near an electric charge

  A positive point charge is enclose+qq0ebm+h8vthl6( led in a hollow metallic sphere that is grounded. As compared to the case without the q eeq6l+l 08h(vm+ht bhollow sphere, the electric field at a point directly above the hollow sphere has

State three properties of conductorsm*/t2*t;*.kmyp;hu alij afw in static equilibrium.

State Gauss's law.

  The charge carried by one eilosi/,guj61t ** gj alectron is $e = -1.6 \times 10^{-19} \; C$. The number of electrons necessary to produce a charge of $-1.0 \; C$ is

  A piece of plastic has a net charge of +2.00 mC. How many more protons than eat.: k+jun bkn.1 p-: qnzmzq/lectrons does t/az.1nk :q.jp nbum z+ n-tk:qhis piece of plastic have?

  What is the charge on 1 kg of proaf(qj e5tkly9 v2qz5ldx(26 ltons?

  An atomic nucleus has a evn68db rj 881/ictpc charge of $+40e$. An electron is $10^{-9} \; m$ from the nucleus. What is the force on the electron?

  Two point charges, separated by 1.5 cm, have charge valmw n esm;;7t0ques of 2.0 and -4.0 mC, respectively. What is the magnitude of the electmt;e7n ;sw0qm ric force between them?

  A 1.0-C charge is 15 m from a second charge, and the force between them is9vs7 *iu6.w)hkoh3 pv;o ywxf 1.0 N. What xo6;7hkvw3u f* wiph) sov9 y.is the magnitude of the second charge?

  Two 1.0-C charges have a force between them of 1.0 N. How far apuks:y t/zcimy -, :gf2art are they?

  The force between a :8wojn xo 3w6lbgssqt22 f/-q $30 \; mC$ charge and a $-90 \; mC$ charge is 1.8 N. How far apart are they?

  Two point charges, initially 2.0 cm apart, experiencel +c/ :6rzup.kt -m-cq:kx yap a 1.0-N force. If they are moved to a new separation of 8.0 cm, what is the electric :l p-qt kkprzy:cau c+.m/ 6x-force between them?

  Three identical point charges of 2.0 mC are placed on the x-axik23g; ek9z:vk wy rpzu((td5 gs. The first charge is at the origin, the second to the righ9 drkty :kz gk(v(uz2gw5ep;3t at x = 50 cm, and the third is at the 100 cm mark. What are the magnitude and direction of the electrostatic force which acts on the charge at the origin?

  Three point charges are placed on the x-axis. A charge of +2.0 m9d jo:/k9rhp6 mjl bd;fx0d2hC is placed at the origin, -2.0 m C to the right at x = 50 cm, and +4.0 mC at the 100 cm mark. b;fdk ox9md9d hhr j:l0p j/62What are the magnitude and direction of the electrostatic force which acts on the charge at the origin?

  Three point charges are locaa +0hklz rw1s3armms6 p /3rs0ted at the following positions: Q1 = 2.00 mC at x = 1.00 m; Q2 = 3.00 mC at x = 0; Q3 = -5.00 mC ath1smka+6/0p0zr r3mlwsa sr3 x = -1.00 m. What is the magnitude of the force on the 3.00-mC charge?

  A point charge of +Q is placed at the center of a square, and a second poilof5j4pl -y bi 83w c1-uynp5gnt charge of -Q is placed at the upper-left corner. It is observed that an electrostatic force of 2.0 N acts on the positive charge at the center. What is the magnitude of the force that acts on the center charge if a thir 4o n ubli c35p-ylj1pfwg85-yd charge of -Q is placed at the lower-left corner?

  Q1 = 6.0 nC is at (0.30 m, 0); Q2 = -1.0 nC vezgui.ot; c2894zrb;b gjn (is at (0, 0.10 m); Q3 = 5.0 nC is at (0, 0). What is the magnitude of the net force on the 5.0 nCe2unrogb48i;( t;9vb gz c jz. charge?

  Q1 = 6.0 nC is at (0.30 m, 0); Q2 = -1.0 nC is at (0, 0.10 m); Q3 = 5.0ed+re18:pi1zym ebbz3p5qz o, gz4e* nC is at (0, 0). What is the direction ofbmq 81:dr,e 3zepib zp4 ygo5e*1zze+ the net force on the 5.0 nC charge?

  Three identical charges of 3.0 mC are placed at the vertices of an equilateral t d(rl02armo5y(im+ke4 d rs)u 5x4a ujriangle which measure45mmjula40o+ k(u ye s2r5r r)(dixad s 30 cm on a side. What is the magnitude of the electrostatic force which acts on any one of the charges?

  Consider point charges of +Q and +4Q, which are separt;qv 5 qwd,3j0-abftjated by 3.0 m. At what point, on a line between the two charges, woua-3wtbf 05, tdq ;jjqvld it be possible to place a charge of -Q such that the electrostatic force acting on it would be zero?

  A +3.0-C charge is at the origin and a +9.0-C charge is at x = 4.0 m.i b. 2vy+,xenlv7xw,k Where on the x-axis can a third charge be placy x,lvk,i +ew vxb2.7ned so the net force on it is zero?

  Charge +2q is placed at the origin andux8r,pby lby :;/ +vuo charge -q is placed at x = 2a. Where can a third positive charge +q be placed so that the force on io:uvu ly y;x8r,bb/+p t is zero?

  A copper penny has a mass of 3.0 g. A total of p 3hc 7ldm:iy86py7d(zx4cro $4.0 \times 10^{12} \; electrons$ are transferred from one neutral penny to another. If the electrostatic force of attraction between the pennies is equal to the weight of a penny, what is the separation between them?

  An electron is held up against the force of gravity by the attraction of a f x4l/ tpdvm jt+ptp.3,ixed proton some dtp4+.tdv/, ppm xl 3tjistance above it. How far above the electron is the proton?

  Two 0.20-g metal spho5 n lx9q5rwt2 *xp* 5k,oxsegeres are hung from a common point by nonconducting threads which are 30 cm long. Both are given identical charges, and the electrostatic repulsion forces them apart unns5ewxr 5,o 9*lp 52gxtoq k*xtil the angle between the threads is $20^{\circ}$. How much charge was placed on each sphere?

  An atomic nucleus has a charge of +40e. What is the magnitude of the elect (.xuoof2 1ellric field at a di2oell .f(ux 1ostance of 1.0 m from the nucleus?

  What are the magnitude and direction of the electric fi g+ nx6rzfyb9*ep,3 a:w1oq f *y:eckield at a distance of 1.50 m from a 50nea+fckri 6:f:w oqzg1, x3** yebyp 9.0-nC charge?

  A 5.0-C charge is 10 m from a small test charge/+y hib kaw-wf (7qig: xx*e-m. What is the magnitude of the electric field at the location of the test chf q7 *:+-(k/y exwimb-h wixgaarge?

  A 5.0-C charge is 10 m from a small test charge. What is the oqb/w (etx;qh s-c,s vn;w)4m direction of the electric fielqe4 m)/,stwv wsh(oqxb;;n- cd?

  A 5.0-C charge is 10 m from3fr3j2ni ; g6fo*crsl a small test charge. What is the magnitude of the force experienced by a 1.0 nC charge placed at the loc26iof*3gsfr3jlr n ;cation of the test charge?

  Two point charges each have a value of 3.0 C ang12(owccjhnk -hkvn l7*xm:.:x6f j 5hb) nt yd are separated by a distance of 4.0 m. What is the electric field )* :7jnml1 2. hxykkv(fntw6-xcj5h nhgo:cbat a point midway between the two charges?

  A 5.0-mC charge is placed at the 0 cm mark of a meter stick and fg 4+az8tuav.a -4.0 mC charge is placed at the 50 cm mark. What is thz.va+a uf t48ge electric field at the 30 cm mark?

  A 5.0-mC charge is placed at the 0 cm mark of a meter stic r )qqei o6;u) cr8w1khwj*n*vk and a -4.0 mC charge is placed at the 50 cm mark. At what point on a lin ;n8ch*kiqo6ew)rqjwu) v r *1e joining the two charges is the electric field zero?

  Two point charges of +q. xydr n--4 z7bkvw5ih gd(8t3.0 mC and -7.0 mC are placed at x = 0 and x = 0.20 m. What is the magnitude of the electric field at the point midway ty5rv d8bhk ix z(-d.w4-qgn7between them?

  Three 3.0 mC charges are at the three corners of a square of side 0.50 m.s e.b.thyl5eg0/n-sa yeq; b* The last corner is occupied by a -3.eslbe 0q* g. a tn5y-ye/bh;s.0 mC charge. Find the electric field at the center of the square.

  Consider a square which is 1.0 m on a s z:9wd8wgtv xnvy;6o)ide. Charges are placed at the corners of the square as follows: +4.0 mC at (0, 0); +4.0 mC at (1, 1); +3.0 mC at (1, 0); -3.0 mC at (0, 1). What is the dwgzw6ox8 t n:v9y;)vmagnitude of the electric field at the square's center?

  A force of 10 N acts on a charge of 5.0 mC when it is placed i +iruj6jd+kb2y9mc8jv 6 b1l 30bm yipn a uniform electric field. What is the magnitudi 21md8 ubm6p0yj birjbl96vj3kcy++ e of this electric field?

  A particle with a charge of 4.0 mC has a mass ofg an(*ikvyn0h3sj-rmu(q(: *n ul.rx $5.0 \times 10^{-3} \; kg$. What electric field directed upward will exactly balance the weight of the particle?

  A Styrofoam ball of mass 0.120 g is placed in an ui0u-bdz3x0/r d +eqrcb: e3l swk7;x electric field of 6000 N/C pointing downward. What charge must be placed on the ball for it to bexw:eude3kx 7z0r d qc+3ur; s0bl/i-b suspended?

  A foam ball of mass 0.150 g carries a charge of -2.00 nC. The ball ism3 2dqz.kd 7 pvc/m svp,ts8+zz/)o oq placed inside a uniform8,2/ pvd+oos kdq mzpvz.ztq3 s7c)/m electric field, and is suspended against the force of gravity. What are the magnitude and direction of the electric field?

  A metal sphere of radius 10 cm carries a charge of +2.0 mC. What is the magnitxy59yqq-nd:;5loi x4ztq0 l h ude of the electric field 5.0 cl qqyd0-hl45xqtx9oz y5 :in ;m from the sphere's surface?

  A metal sphere of radius 2.0 cm carries a charge of 3.0 mC. What is t1u ,lphk .l8akixbg-2he electric field 6.0 cm from the ce gul,aix kp12bhlk.- 8nter of the sphere?