State the law of conservation of electric charge.ppto h ;rv v*6ggp5m79

  Is it possible for two negative charges to attract efez )tww ;0dz ts:fwoqj/3)7yach other?

  Is it possible for a positive and a negative charge to attj jqbmx(364jjye1,9z cce: id ract each other?

  A glass rod is rubbed with a piece of silk8td65 ofkd ;zq. During the process the glass rod ac t6ddfq8 o5kz;quires a positive charge and the silk

  A proton carries a

  The model of the atom showh:2 q ,y76ernsapvp(a s a

  A neutral atom always hh7zd1(/bqs b wsf4j2mas

  An atom has more electrons than protons. Thx *fve6 *rrpqz(( bb,ke atom is

  Materials in which the electrons are bound very tightly to the nuclei are referrg8 wqy-2dz,7u-z f2h1wanuk sed to aszgd7 sz f1w-yn,82whu -2 aqku

  Materials in which the electrons are bound very loosely to the 4 bx cbo:8a;pe51j6wgt xox.enuclei and can move about freely within the materiebwaxco4oe .x6t bxj:1 8;g5pal are referred to as

  A negatively charged rod is brought near one end of an uncharged metal bar. The:ti2.v(ch3bp3t: g exe+*s pgt*tyu k e. tue *(e+ kyptit*s:thv :3xc2gbp3gnd of the metal bar farthest from the charged rod will be charged

  Sphere A carries a net positive charge, and sphere B is neutral. They are place8)tgbi - ts;ned near each other on an insulated table. Sphereg-8tn; )ib ste B is briefly touched with a wire that is grounded. Which statement is correct?

  How can a negatively charged rod charge an electroscope posin 9x +tfbm;a: (3svlhwtively?

  An originally neutral electroscope is briefly touched with a positively chargexe9( 1 lmxo jf )m 2ps.n7hn9dp4)ffgzd glass rod. The electroscopeo.z7xm9 2nfsd (4efhnxj m9))1pg plf

  An originally neutral electroscope is grounded brf qjqb(gz:8gi co)70riefly while a positively charged glass rod is held near it(ro8g b qjg :qz7f0ci). After the glass rod is removed, the electroscope

  A positive object touches a neutral electroscope, and the leaves separate.,gmdd:+rp 6yu3zgu 1r Then a negative obje urdzg,uprmg31 d+6 y:ct 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. x7;p ;tcqknwjx:j38g 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 touch the negative object. At no time does either ball touch t:pwx;8tjq ;7gc j k3nxhe negative object. What is the final charge on each ball?

  Charge is

  What are the units of the Coulomb constantu7e k:zxa2 ,+hq oxz0w $k$, which appears in Coulomb's law?

  Two charged objects are separated by a distance dge/.pf l* msa/elsup ic1r12xa; ,td( . The first charge is larger in magnitude than the second charge.t s.pefdsx 11ga(m;,rp2iel/u* cla/

  Sphere A carries a net charge and sphere B is neutral. Thwxjzqooa1 ;3:.4 sipu-uw t+aey are placed near each other on an insulated table. Which statement best describes tho:wi jtz+up4u3 .x-w a qo1a;se electrostatic force between them?

  Two charged objects attract each other with a certain force. If t ff/a a8319 d7sh7stytrp uvf,8zis(mhe charges on both object3ss7t7 mudf/sz a rf, ivpft1889 ahy(s are doubled with no change in separation, the force between them

  Two charges are separated by 7hen(g mdt4)k7 dy1w da distance d and exert mutual attractive forces of F on each other. If the charges are separated by a distance of d/3, w dm17)keyd7hd4 t(n gwhat are the new mutual forces?

  Two charged objects attract each other withri )k)muaa,3u a force F. What happens to the force between them if one charge is doubled, the other charge is tripled, and the separation distance between their centek,3rim uaua ))rs is reduced to one-fourth its original value? The force is now equal to

  An electron and a proton are separated by a distance of 1.0 m. What happens towx h gk gts0*g23lxaj -id;81e the magnitude of the force on the proton if a second elw-ghjk*8 x01ia3sd ;tglx2 eg ectron is placed next to the first electron?

  An electron and a proton are separated by a distanczl: lxi8q:h5)0 mie nze of 1.0 m. What happens to the magnitude of the force on the first electron if a second electron is placed next tonm8xqz:zh : ilie0)5l the proton?

  An electron and a proton are separated by a distance of 1.0 m. What happens td;j uqh /qupsa7t :r:ge)t0s+o the size of the force on the proton if thet:r7q sshudj0:; aq/ )u+ eptg electron is moved 0.50 m closer to the proton?

  A point charge of +Q is placed at the center omi+ gf4t/5ejwn 7lu/m f a square. When a second point charge of -Q is placed at one of the square's corners, it is observed that an electrostatic force of 2.0 N acts on the positive charge at tuw7/te m/fmg 5jil n4+he 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 equilateral trianglj vz: 2d03h*3jf odqxd/8kl pye. 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 acts on the center charge due to a third charge ofd /dvjj 30z8*o3ydhxfl 2:pkq +Q placed at one of the other vertices?

  Which of the following is 38q6/f 8mwy6g. g)nagerm jf dnot a vector?

  At twice the distance from a point charge, the sddun+(e,dei4e4;ip+m+z qtu trength of the electric field

  Is it possible to have a zepyyka7 ./ tz ,qtf)lm x;tepu1qz+ l.b .p8.gcro electric field value between a negative and positive charge along the line joiningkyptexu. m q.+z l)8/l;,apz.f1 7bqgcpt. ty the two charges?

  Is it possible to have a zero electric field value between two positive cha tk9(wy :t:xcprges alon::wytx9t(kpc g the line joining the two charges?

  Electric field lines near psitive0+sc )c10/ uda.*wf vywuwij)jvnlp + point charges

  The electric field shown fexfs,s- (5ftx3d+qw qcf8+ g

  Can electric field lines intersemmse/*ej*uh j h 2ol33ct in free space?

  A solid block of metal in electrostatic equilibrium is plac3l6qcr:g4 iab ed in a uniform electric field. Give a statement concerning the electric field in the block's interio4r: g3 lcbaq6ir.

  If a solid metal sphere and a hollow metal sphere of equal diameters are each/ushb*5 jlte 7vi8os8 given the same charge, the electric field (E) midway between the center and the s5so8 sb8ji/vulte * 7hurface is

  A cubic block of aluminum rests on a wooden-.c( e yx c -2cn0oxzsfj;+lvs table in a region where a uniform electric field is directed straight upward. What can be said concerning the charge on the bl ;e(cxssj+2c0 c yzxv-.lo -fnock's top surface?

  If a conductor is in electrostatic equilibrium near an1fyzrl27rk6 xz t4.gr electric charge

  A positive point charge is enz6z.q kx:ho6kzqfl1258oh7pyr wfn/ closed in a hollow metallic sphere that is grounded. As compared to the case without the hollow sphere, the electric field at a point directly above the holl. qzzxfn : 261hp5 8wkyh/7rfookzq6low sphere has

State three properties of conductors in static equildsgc6rwoi b g4u)xrr:(c44a0 ibrium.

State Gauss's law.

  The charge carried by wvjt+hi*cuq1xa4. p *3 c5d z5qh zzg+one electron 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 mfn hbr4bd/)i7ore protons than electrons does this piece of plbnbhfi7/ ) r4dastic have?

  What is the charge on 1 kg of proton v dsynn;,ab43f 82msus?

  An atomic nucleus has a charg0cz6monpv 7te/.p de5s /cdu .e 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 values of 2.0 and -4.0 mCywhy/2w;3n/hx - d /tmvyr iv.6bbw7 g, respectively. What is the magnitude of the electric force betwee w/v -whgy.tyw23b6dhm/yb vir;7nx /n them?

  A 1.0-C charge is 15 m from a second charge, and t4oy.7fn qcj b.(l* o8a;dfbag he force between them is 1.0 N. What is the magnitude of the seconddo cnoaabj* (f47;q8 y.lbg .f charge?

  Two 1.0-C charges have a force between them of 1.0 N. How far apart are they?:w.oz bufes*3n y118bxb bi;u

  The force between a f;z5- grk)k4(t em btu$30 \; mC$ charge and a $-90 \; mC$ charge is 1.8 N. How far apart are they?

  Two point charges, initially 2.0 cm apart, experience a 1.0-N force. k+1kmgqm+:ai i-y ,r-sf owv+ If they are moved to a new separation of 8.0 cm,y+rgmvs-wim +:,qf-o ka 1k+i what is the electric force between them?

  Three identical point charges of 2.0 mC are placed on the x-th/vz x6nizd(*1 enh -axis. The first charge is at the origin, the second to the right at x = 50 cm, and the ti-th zzdvxn (/ne* 16hhird 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 charg/v+k9n v-+xnc:cc0go8x ,mcqz )ehn me 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 electrostat,z:c/x +)konevmcn-+8m c 0qhx9n gcvic force which acts on the charge at the origin?

  Three point charges are located at the r+-m9a5jbk lbba tr 8kvh7wq, 16c9s xfollowing positions: Q1 = 2.00 mC at x = 1.00 m; Q2 = 3.00 mC at x = 0; Q3 = -5.00 mC at x = -1.00 m. What is the magnilrq65 +k8 ,b-xab kwajrhvscm 99 bt17tude of the force on the 3.00-mC charge?

  A point charge of +Q is placed at the center of aek q:y92ju5 lmt u3d2g 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 acts on the positive charge at the center. What is the magnitude of the force that acts ont uk9lu3 q2dm:y2ge5 j 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 bo8- sb8kz+v;5fb eexnC is at (0, 0). What is the magnitude of the net ;k zxs8e-o+b5f v8beb 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 = 5.0 n,1np3bm7usm evxtt+( C is at (0, 0). What is the,e+3nvpx7 tmtsm (ub1 direction of the net force on the 5.0 nC charge?

  Three identical charges o 2:scqd8x2 i.rla1.ua xugm+9 cvxw)vf 3.0 mC are placed at the vertices of an equilateral triangle which measures 30 cm on a side. What is the magnitude of the electrostatic force which acts oucx8 9xl umc.vqv:2g1+dxir )wasa. 2n any one of the charges?

  Consider point charges of +Q and +4Q, which are sewwq. dc;cy;l3 lk0j5 gparated by 3.0 m. At what point, on a line between the two charges, would it be possib5g0w; cyw.d3 kqlcjl; le 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 origq8v( bf ag0a q..hx8cyin and a +9.0-C charge is at x = 4.0 m. Where on the x-axis can a third charge be placed so the net for0q8.afy b8vch .gxq( ace on it is zero?

  Charge +2q is placed at ;r 7tin;pn5w trqpx0u, 3y v9vthe origin and charge -q is placed at x = 2a. Where can a third positive charge +q be placed so that the 5tpnqr v,r xn3wv9;p7i y0u;tforce on it is zero?

  A copper penny has a mass of 3.0 g. A total of 6,(:heclv 3qqs+ gpzwl 2 hnq7$4.0 \times 10^{12} \; electrons$ 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 tckk)-32eez u.mizu .hlv(x c .he attraction of a fixed proton some distance above it. How far above. ixmv zk(.3kul2-ce) .hzceu the electron is the proton?

  Two 0.20-g metal spheres are hung from a common point by nonconducting threads /q7, lgz,9f.ix i cm ivumhi77which are 30 cm long. Both are givezh ,i77x i.iu9fgmvic m /7q,ln identical charges, 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 chja5*oi 1eaugy;z+y( e7ps y5harge of +40e. What is the magnitude of the electric field at a distancee u5aps( a7je+h*zi5; oy yy1g of 1.0 m from the nucleus?

  What are the magnitude and direction of the electrt*knzmt,-xb0r4 8v )hx1lbs (u (o) u.wepjdtic field at a distance of 1.50 m from a 50kx)t w-b u84, o*e sl zhj.0()nubtpmt(d1xvr.0-nC charge?

  A 5.0-C charge is 10 m from a small td o9mg/u7ysq, p7t lwle*j32 gest charge. What is the magnitude of the emugo/ ll7*e,97j2g3 dwtq sy plectric field at the location of the test charge?

  A 5.0-C charge is 10 m from a small test charge. What is the dbvt*2or 7pshlu c z94ijd:w 9/irection of the electric zji/u r7lb4pow:9 shdt v9c2*field?

  A 5.0-C charge is 10 m from a small test cha ;ya uqvv(9a-,nrrtb3 rge. What is the magnitude of the force experienced by a 1.0 nC cy uvrq-rt9n;bv a 3(a,harge placed at the location of the test charge?

  Two point charges each have a value o7fzf1tvj5 e:ar )ywxq d :.n3q 0n/lisf 3.0 C and are separated by a distance of 4.0 m. What is the electric field at a point midway bed/n 3 zaqw0 51: s:iqfny)erl xtf.j7vtween the two charges?

  A 5.0-mC charge is placed at the 0 cm mark of a m9 hh6oj0ash5c eter stick and a -4.0 mC charge is placed at the 50 cm ma os65hhac0jh9rk. What is the electric field at the 30 cm mark?

  A 5.0-mC charge is placed at the 0 cm mark of a me io7;7 wop3q v4y2uat ryk8*nzter stick and a -4.0 mC charge is placed at the 50 cm mark. At what point on a line joining the two charges is the ele7nz w7 v*4raypto8uko3i2;yq ctric field zero?

  Two point charges of +3.0 mC and -7.0 m9o6rgkbi-7frx y(sp 1 j 4p/rlC are placed at x = 0 and x = 0.20 m. What is the magnitude of the electric fieldo k4 sg69bfx(y71prl-rji/pr at the point midway between them?

  Three 3.0 mC charges and f8i:fqf8b4: elyt -re at the three corners of a square of side 0.50 m. The last corner is occqb4- it88ey: ndf:l ffupied by a -3.0 mC charge. Find the electric field at the center of the square.

  Consider a square which is 1.0 m on a side. Charges a8k ge)n:dj7y6e3 xp rdun7u6 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, 1pja6knndu 7ru8:xy 6e g3de7)). What is the magnitude of the electric field at the square's center?

  A force of 10 N acts on a 4z-lx /l; ze05 wgojrzjh,nk6charge of 5.0 mC when it is placed in a uniform electric field. What is the magnitude of thker56/jx-;4,ojz zz h lng0lwis electric field?

  A particle with a charge of 4.wm 3x:mua6l k80 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 wg 78urxgn yw4h0v*r5g is placed in an electric field of 6000 N/C pointing downward. What charge must be placed on the ball for it to 4wgv5g0*yn u 78rrh wxbe suspended?

  A foam ball of mass 0.150 g kjtr tq3x0,5 5d rau0qcarries a charge of -2.00 nC. The ball is placed inside a uniform electric field, and is suspended against the force of gravity. What are the magnitude5 tk5dqrj3x0, 0 rtaqu and direction of the electric field?

  A metal sphere of radius 10 cm carries a charge of +2.0(yv j4c.yx-nx mC. What is the magnitude of the electric field 5.0 cm fromyjnxx.(v cy- 4 the sphere's surface?

  A metal sphere of radius 2.0 cm carries a charg z;)6 y3usz aj.gjlwy1e of 3.0 mC. What is the electric field 6.0 cm from the ce3jjal.zyyusg w16z) ; nter of the sphere?