State the law of conservat1gx3tmgt7h 8lion of electric charge.

  Is it possible for two no4g+8d 0wxt unegative charges to attract each other?

  Is it possible for a positive and a negative charge to att(if, ;h +(j rvuqxy wgkbao+52ract each other?

  A glass rod is rubbed with a piece of silk. Durin7 rhamr,o+qvv,gd4ev gb3e3*w g,n0 lg the process the glass rod acquires gwl ,h3geqorr vgdvavn7*,4,m 30+b e a positive charge and the silk

  A proton carries a

  The model of the atom shows myge3i :z 89o7ml+lhla

  A neutral atom alway:mb78nr)hsui +vuwm3zp3ufr ; u*m- is has

  An atom has more electrons than protons. The atom 3ok qm,o1b ou2is

  Materials in which the electrons are bound very tightly to the nuclei are ref: 9qb:m,pv bzd5bn uk*err u*k:v:9bqp5 ,zbbm dned to as

  Materials in which the electrons are bound very loosely to the nux1fhdyc3e9:/jkzj+zmwh2 r 2 f0iza 1clei and can move about freely within the materiacw1xfz 2jdzhyi 1 29/zmr0 ja 3e+fk:hl are referred to as

  A negatively charged rod is brought near one end of a+gvc b qainviqslmu568)n7 2 .n uncharged metal bar. The end of the metal bar farthest from the chq 5iniu ql82n.76vv+ab)mgsc arged rod will be charged

  Sphere A carries a net positive charge, and sphere B is neutral. Tvfab 1fc x/oj396dp/ rhey are placed near each other on an insulated table. Sphere B is briefly touched with a wire that is grounded. Whic/ f3cd 1pvx 9fb/o6jrah statement is correct?

  How can a negatively charged rod charge an el0i:l2lkl yub) y e7,cnectroscope positively?

  An originally neutral electroscope is briefly touched with a posaeq o 07c,7/k bir4iw.qczqxc(( tziy,x m 50aitively charged glass rod. The el.azc7 5xk c7oqwq (4tycbx zaiq m/i0,er(i,0ectroscope

  An originally neutral electroscope5qdg2t c7*jyj is grounded briefly while a positively charged glass rod is held neary* 2 tdjj7g5cq it. After the glass rod is removed, the electroscope

  A positive object touches a neutral electroscope, and the leav27c h 3hwzwdj6es separate. Then a negative obj 6j3hwz7dcw2h ect is brought near the electroscope, but does not touch it. What happens to the leaves?

  A large negatively charge -rnmkr b mbq.qc- 9s;ay7)m5yd object is placed on an insulated table. A neutral metallic ball rolls straight toward the object, but stops before it touches it. A second neutral metallic ball rolls along the path followed by the first ball, strikes the first ball, and stops. The first ball rolls forward, but does not toub9 rq5yyn.c m 7r-q;-mb)maskch 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 Coulomb constanti q1te ,nhjg.9 $k$, which appears in Coulomb's law?

  Two charged objects are separa2y* eak2i nyw8ted by a distance d. The first charge is larger in magnitude*2n2 kiyay ew8 than the second charge.

  Sphere A carries a net charge and sphere B is neuk/r i*2 2ehtglu/hx9stral. They are placed near each other on an insulated table. Which statement best describes the electrostatic t/se*9 /u2g hxirk2 hlforce between them?

  Two charged objects attract each other with a certain force. If the chargew hs0,rofxnn 7na:yads vq;l2 ,6m/;ns on bot ,vanwrql/n dno0yx;hsam2,6;nf :s7 h objects are doubled with no change in separation, the force between them

  Two charges are separated by a distance d and ex/phd gq/*99 raa y4ivw4qj-jfert mutual attractive forces of F on each other. If the ch v*iarw9hg- 4 jf4q/j a/ydqp9arges are separated by a distance of d/3, what are the new mutual forces?

  Two charged objects attract each other with a fox xmxc:.s lqoi,v -.0trce 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 force is v.m.cli, t:-xo 0xqsxnow equal to

  An electron and a proton are separated by a distance of 1.0 m. What hapjh g1 47gp7q v9frdviizux2* /pens to the magnitude of t2 1fvgp/xiuz7 dihq4g*r v7j9he force on the proton if a second electron is placed next to the first electron?

  An electron and a proton are separated by a distance of 1.0 m. What happens too;in-sxhh+ 7 g the magnitude of the force on the fos+xh n7-hig; irst electron if a second electron is placed next to the proton?

  An electron and a proton are separated by a distan jc vq1xkzzs5:de /v-1ce of 1.0 m. What happens to the size of the force on the proton if the electron is moved 0.50 m cqvc d x1:51s evkzj/-zloser to the proton?

  A point charge of +Q is placed at the center of a square. When a second poih4g:zvod t qj:v/m0;9ib wrvz 6a*)oint charge of -Q is placed at one of the square's corners, it is observ:bovvdt rj 6 ; *haw/zvim o:giqz)490ed 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 centroid of an equilater8xd) sba abq; f.h48 o.1,z aog48vowi2yofldal triangle. When a second charge of +Q is placed at one of the triangle'sq8 . o,bf48xow d2hlv;d1syga ba 48.iozao)f vertices, an electrostatic force of 4.0 N acts on it. What is the magnitude of the force that acts 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 nnk;l3bzn cdxe kef- :60tj)0vector?

  At twice the distance p. d dq4th4c)jfrom a point charge, the strength of the electric field

  Is it possible to have a zero elm pm9dr1lig)c-m/ux+ab 3o h 1ectric field value between a negative and positive charge along the linec3ihg 1 x/mmrbm 9a+p-d l1)uo joining the two charges?

  Is it possible to have a zero electriegx+h4, 5fe s zov;3pjc field value between two positive charges along the line joining the two charges?z jx spfe,oh; 4+ge53v

  Electric field lines na5wyngu o ,)1hear psitive point charges

  The electric field shown w,- o1j.o7wl-qmfekl+ .cnau

  Can electric field l5 :zu.jbfresynhws 69pw 58 mys-)sv 3ines intersect in free space?

  A solid block of metal in electrostatic equilibrium is placed cycpo4 dk 0.5yin a uniform electric field. Give a statement concerning the electric field in the block's ycycp.4o0 dk5interior.

  If a solid metal sphere and a hollow metal sphere ofv)hthgt fgy+5a ;gu1( equal diameters are each given the same charge, the eleg)t+vtaghy 1(f;g 5h uctric field (E) midway between the center and the surface is

  A cubic block of aluminum rests on a wooden table in a regif d5c8p v4; n.kgdgy5hon where a uniform electric field is directed straight upwarddd5npf;.8gy4 ckh v5g. What can be said concerning the charge on the block's top surface?

  If a conductor is in electrostatic equilibrium near an electric charg n5,q6p xvz47;3o nrhso1zpyle

  A positive point charge is enclosed in a hollow metallic sphere t v v wi;ew4ibpra3-ar*:1xk.lhat is grounded. As compared to the case without the hollow sphere, thep1ar *.viwl-wb4k:ae3 i r;vx electric field at a point directly above the hollow sphere has

State three properties of conductors in static equjj00yh3(d5g a:j;vbs q g-fxl ilibrium.

State Gauss's law.

  The charge carried by one eoj98g;jdcsd.4- uf ,b5nxsnqlectron 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 - 8jebfs/ r:bjcharge of +2.00 mC. How many more protons than electes: -/jb8rjbfrons does this piece of plastic have?

  What is the charge on 1 kg o)b zl qf1y(9ltez8ln k ;rihko1; d.,tf protons?

  An atomic nucleus hasj:v;m emoq87dvcup+3 a charge of $+40e$. An electron is $10^{-9} \; m$ from the nucleus. What is the force on the electron?

  Two point charges, separated by 1z dedpw si42 :8kn8o5q.5 cm, have charge values of 2.0 and -4.0 mC, respectively. What is the magnitude of the ele2:nq5 884w okdspzi dectric force between them?

  A 1.0-C charge is 15 m from a second charge, and the force between them is yvtpu n41al3l- j+3lcxu7/ta/ p/jqq1.0 N. What/c yan/ +uppll7 3tv u/-aq3jj4q1 lxt is the magnitude of the second charge?

  Two 1.0-C charges have a force between them of 1.0 N. How far ap ow ubipj,61s(art are they?

  The force between a 4.dpobf*a o pnqyi 999:a54iz7t; ivyfh.ygn$30 \; mC$ charge and a $-90 \; mC$ charge is 1.8 N. How far apart are they?

  Two point charges, inieg69 yu).zw37 kicbbm tially 2.0 cm apart, experience a 1.0-N force. If they are moved to a new separation of 8.0 cm, what is the el i9k 3)g7.ewmcu6bzbyectric force between them?

  Three identical point charges of 2.0 jmhbgil v .iy94m 66.hmC are placed on the x-axis. The first charge is at the origin, the second to the right at x = 50 cm, and the third is at the i9ml6.v6 b g mhh.ij4y100 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 thee 2.cty- pxs*x t:jf8;su,klx x-axis. A charge of +2.0 mC 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. What are the magnitude and direction of the electrostatic force which acts on the charge at the origin? t x -pc;ys*kl,tes2:ju8f.xx

  Three point charges are located at the following positions: Q1 = u6 dx8 bnbtvy:6y)qg5p ypl )92.00 mC at x = 1.00 m; Q2 = 3.00 mC at x = 0; Q38 6tyul 6ynpyd:b)b)vg 9 q5px = -5.00 mC at x = -1.00 m. What is the magnitude of the force on the 3.00-mC charge?

  A point charge of +Q iv y0 b2 euamn9r03hl o 2,ra-jk:l+xdqs placed at the center of a square, and a second point charge of -Q is placed at the upper-left corner. It is observed that an electrostatic force of 2.0 N actsavk0dhn-2j+ea,m 3olbrx:9 2lqru 0y on the positive charge at the center. What is the magnitude of the force that acts on the center charge if a third charge of -Q is placed at the lower-left corner?

  Q1 = 6.0 nC is at (0.30 m, 0); Q2 = -1.0 nC is at (0, 0.10 m); Q3 = 5.0 nC is cvd lt6,myo.qh4t.efi9pj5 ) at (0, 0). What is the mag.cjl op9d)5 . vtqmytei,4f 6hnitude of the net force on the 5.0 nC charge?

  Q1 = 6.0 nC is at (0.30 m, 0); Q2 = -1.0 nC is at (0, 0.10 m); Q3 i w hzn 9rm1p.)vt)zx-= 5.0 nC is at (0, 0). What is the direction of thev1im)pr n)z9z -wht.x net force on the 5.0 nC charge?

  Three identical charges of 3.0 mC are placed at the vertices4+ q5wz .wygfry+cr9k of an equilateral triangle whicfyc y.54+9r+ wrwq kgzh measures 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 separated by 3.0 m. At whatf/ f neaeoh3rgb3d .;8 point, on a line between thdohee8f n/.gb ; a3fr3e two charges, would 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 tdg5zmq9q i7b48iih 1zv ) oq3hhe origin and a +9.0-C charge is at x = 4.0 m. Where on the x-axis canmzv 9d3)i q iohq7h8iz5 4b1gq a third charge be placed so the net force on it is zero?

  Charge +2q is placed at the origin and charge -q is placed at x = 2-op z9a gbmom2 2lq81ka. Where can a third positive charge +q be placed so that the force oap -k2q2gob 189lzmm on it is zero?

  A copper penny has a mass of 3.0 g. A toa9+c) hpl 69,tilhf 6dw rr8lytal of $4.0 \times 10^{12} \; electrons$ 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 trqt4nefa ct nxvyf8n-9oz)/ ihus:j*681a(the force of gravity by the attraction of a fixed proton some distance above it. How fn*qx etut h)sanfco689vi4 f8-(rzy/1nja :t ar above the electron is the proton?

  Two 0.20-g metal spheres are hung from a common tak2)8oe0yd6 pu(l9kq a ga:s tkm4v/point by nonconducting threads which are 30 cm long. Both are given identical ch:6(p9ks a 42tuoea/ qkk ygam8dlvt0) arges, and the electrostatic repulsion forces them apart until 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 thom+-3deggw ss3r -dicr)*;vyq n +(qie electric field at a di3vmq c*-o)+ri-sdr;e+wysqd gg3 (ni stance of 1.0 m from the nucleus?

  What are the magnitude and direction of the5cjqz44 cyxx5 electric field at a distance of 1.50 m from a 50.05c4xz5cqxj y4 -nC charge?

  A 5.0-C charge is 10 m from a small test charge. What is the 5*fdn ep:b -zby l bh6pcx(i)2magnitude of the electric field at the location:x bbb- fhecnzd*i 5p)py(2l6 of the test charge?

  A 5.0-C charge is 10 m d8b k+6dy k j6i9c; ;1cabmpabfrom a small test charge. What is the direction of the electric fiel6bkyca kjdi b6pa+; 89cmdb1 ;d?

  A 5.0-C charge is 10 m from a small test charge. What is the magnitude of the g60l8/u,bh ;mmgu zoj force experienced by a 1.0 nC charge placed at the location of the test cm/uglh gjzmb;u8 6o0,harge?

  Two point charges each have a value of 3.0 C ea+jj+jdz3ed:x c+r0 and are separated by a distance of 4.0 m. What is the electric field at a point midway between th0jedxj :c++j3 edr+aze two charges?

  A 5.0-mC charge is placed at the 0 cm mark of a meter stick and a -4.0 mC charo q/l8 2bkwzr9:wz pr8p1ney 1ge is pla1 p:qw ko r982 zzewlrnb1yp/8ced at the 50 cm mark. What is the electric field at the 30 cm mark?

  A 5.0-mC charge is placed at the 0 cm mark of a meter stick and a -4.0 mCr fm 0d jn3g 17l,xfoo37k(tdj charge is placed at the 50 cm mark. At what point on a line joining the two charges is the electric field 13(ot7 0,gjjdxfm7 ro3knldfzero?

  Two point charges of +3.0 mC and -7.0 mC are pl h,v(l. bpbr(oosx(1maced at x = 0 and x = 0.20 m. What is the magnitude of the electric field ab(obl.s 1h(vxp,m or( t the point midway between them?

  Three 3.0 mC charges are at the three corners of a squar* rpo-:xpg/ z0(xqy fuy*nne 4e of side 0.50 m. The last corner is occupied by a -3.0 mC*z:4 p(f*yr guqpnxyeo0n-x/ charge. Find the electric field at the center of the square.

  Consider a square which is 1.0 m on a side. Charges are pku: bb,6*u7 m, erxkino ,+fmylaced 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 i*, kfo xybm: u ,k7n,bume+6irs the magnitude 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 in a uhst)aroij6o (: fw+k(niform electric field. What is the magnitude ofjr(6 h )fwoita (k:s+o this electric field?

  A particle with a charge of:nocgd v :q.d: 4.0 mC has a mass of $5.0 \times 10^{-3} \; kg$. 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 electric field of 6000 N/C pop7 le7aa+t/gy k0oba: inting downward. What charge must be placed on the ball for it to be suspended?7b/ tga:aoep7 0 kl+ya

  A foam ball of mass 0.150 g carries a charp f: 2t2qv tje;vf h4wm*/5i 8ocbdi7age of -2.00 nC. The ball is placed inside a uniform electric field, and is suspended against the force of gravity. What are the magnitai4*efbodhip2v c :/5m72 tq8f;vw jtude and direction of the electric field?

  A metal sphere of rapzn7su3zc: ;as- h 5nwli )5sddius 10 cm carries a charge of +2.0 mC. What is the magnitude of the electric field 5.0 cm from the spherei5:7hsd-z n)zl npss35c;wua 's surface?

  A metal sphere of radius 2.0 cm carries a charge of 3.0 mC. What id5.o:ltnm 2kgs the electri g2k .5olndt:mc field 6.0 cm from the center of the sphere?