State the law of conservation of electric charge.ujw1zo 30gu(o

  Is it possible for two negativsi tc9tii1,(d f 4mx:ve charges to attract each other?

  Is it possible for a positive and a negative charge to attrr,jk 1uf t6e.cact each other?

  A glass rod is rubbed with a piece ofrus *k9/+indzd-x3rq silk. During the process the glass rod acquires a positive charge and/+3zd ix9uqk -s*drnr the silk

  A proton carries a

  The model of the atom showo v-2o/ej1 wogs a

  A neutral atom always has p r09 3rsn1ppxaiu)ma75 -psvb 8jui.

  An atom has more electrons than protons. 3;(0h :bnp(huwke q2z yjavv1 o;ock/The atom is

  Materials in which the electrons are bound very tightly to hd0le0)nk0vgp-ty3 m the nuclei are referred to g p0d thne)y k-0m0v3las

  Materials in which the electrons are b: j65h etgh)h8dboil / 8p8cjxound very loosely to the nuclei and can move about freely within the material x/p8)8 etc id:j l6hh8bhjog5 are referred to as

  A negatively charged rod is brought near zq3zt8mf78 pjm zj 5-cone end of an uncharged metal bar. The end of them7j5cp8j83z zm -fqzt metal bar farthest from the charged rod will be charged

  Sphere A carries a net positi: b itna/p1/*6 wqedp9b0hrvfve charge, and sphere B is neutral. They are placed near each other on an insulated table. Sphere B is briefly touched with a wire that is grounded. Which state9qraedvb / :tb1wph p*06f i/nment is correct?

  How can a negatively ch. ;wcovek2pl-k h38yd arged rod charge an electroscope positively?

  An originally neutral electrosv,x (fqo 9ate5pza+ ah*1f)cjcope is briefly touched with a positively charged glass rod. The ele* a(jo91 afe5qz pv,f)xhca+ tctroscope

  An originally neutrab, 5.gvm- yt)hlvb6qpl electroscope is grounded briefly while a positively charged glass rod is held near it. After the glass rod is removed, the elect)v,5bmqbyl t vgp.h -6roscope

  A positive object touches a neutral electroscope, and the leaves sep8pabiyw2g 392tk 8qsmarate. Then a negative object is brought near the el sg 2ai98m23pwy qbkt8ectroscope, but does not touch it. What happens to the leaves?

  A large negatively charged object is placed on an insulated table. A neutral m xvgsfo,/h f68x7px6qetallic ball rolls straight toward the object, but stops before it touches it. A second neutral metallic ball rolls along the path followed b6fvf qs7x /xg8h6pxo, y 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 Coulomb n)dk1 rj4e,psconstant $k$, which appears in Coulomb's law?

  Two charged objects arem uh8g3*r-ez 7k n;wpf separated by a distance d. The first charge is larger in magnhu pzner w*k; 7gf-m83itude than the second charge.

  Sphere A carries a net charge and 4jgabr9kq57i uegkp,s3.e 5x sphere B is neutral. They are placed near each other on an insulat4g573qpxs 5,uge ajb9ik er.k ed table. Which statement best describes the electrostatic force between them?

  Two charged objects attract ea2+ z4mlbauix ;ch other with a certain force. If the charges on both objects are doubled withbma4iu+ ; lzx2 no change in separation, the force between them

  Two charges are separated by a distance d and exert mutual attractive forces of w j/1qlp5qfr;:dem8rujss - f*.akm3F on each other. If the charges are separated by a distance of d/3, whar;8aw-13p/d jl 5uk fqs *qser:m fmj.t are the new mutual forces?

  Two charged objects attract each othef6,0zrnt v rqd;2d5d er with a force F. What happens to the force between them if one charge is doubled, the other charge is tripled, and th vnd r5;d 0q2z,det6rfe separation distance between their centers is reduced to one-fourth its original value? The force is now equal to

  An electron and a proton are separated by)e utrb5 2lbs1e6h)n3x( zlon a distance of 1.0 m. What happens to the magnitude of the fo2b5ln (rlnuex o3es)b 1 tzh)6rce on the proton if a second electron is placed next to the first electron?

  An electron and a proton are separated by3+;r 9ui-w 8hqkyjz1jo. ll8vuhg k :p a distance of 1.0 m. What happens to the magnitude of the force on the first electron if a second electrh. 8 j;r h+- 9u: okjv8k3lq1zyglpwuion is placed next to the proton?

  An electron and a proton are separated by a diswtik ) 9iz ew7jdvt 3qw+z63,rtance of 1.0 m. What happens to the size of the force on the proton if the electron is moved 0.twi+zwtdie,)37wz63k jvrq 950 m closer to the proton?

  A point charge of +Q is placed at the center oe l4s:(/wnd r :e dlrg 1qor:gnik.9t)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 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 n n1:4w (i e.ts rr g):d:/lrkdqgl9oecenter of the square?

  A point charge of +Q is placed at the centroid of an equilat0di * mz,ssbv7axt- 3eeral triangle. When a second charge of +Q -0xsavm 3, ts7zbd ei*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 of +Q placed at one of the other vertices?

  Which of the following is not a)o8cn pp(qan0m8 zq,m6ztaf h. ) ig9z vector?

  At twice the distance from a pointgk8jtr,xfj gn- lj+8 f(;dy l9 charge, the strength of the electric field

  Is it possible to have7bhsq gn31y;6k 1/ wshpq eg77sd u6cd a zero electric field value between a negative and positive charge along the line joinihgew7 h6syk1ub1s n 6gd qq3 7;dcp7s/ng the two charges?

  Is it possible to have a zero electric fq0 (wk3)sews t)u 9kgiield value between two positive charges along the line u03i 9s kq)twk esg()wjoining the two charges?

  Electric field lines near psitive point chag4,nu -mwmw:n rges

  The electric field shown ku)j n .802bkjf nx1tq

  Can electric field lines ivym( ibhmcb2j3f b*73ntersect in free space?

  A solid block of metal in electrostatic equilicysl4:imq+4 wa/n tg*tk f.k.brium is placed in a uniform electric field. Give a statement concernin+tgac44l.tyi s.f/ k kq*m: wng the electric field in the block's interior.

  If a solid metal sphere imbh ;)*+9gesqrw- xyr*ps 4mand a hollow metal sphere of equal diameters are each given the same charge, the electric field (E) midway between the center and r+him* ;x9 -pyeq *w4ss)brmg the surface is

  A cubic block of aluminum rests on y;64 opl y1orde4tcxv6p /pm9a wooden table in a region where a uniform electric field is directed straight upward. What can be ycdv x4;ot pol ep4p6916/rmysaid concerning the charge on the block's top surface?

  If a conductor is in electrostatic equilibrivs5p vh dg*:a56ba2x mum near an electric charge

  A positive point charge is encl tf,n ae)31vmgy2y attpu+++xo,rls;osed 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 hyuea2a3xfln,motr) st+,+ v t;gyp 1+ollow sphere has

State three properties of cond22y cqb3p sf0j-s rbr2uctors in static equilibrium.

State Gauss's law.

  The charge carried by one elecj0i d +c(6qzaqtron 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 ,2 8wn5 iltricmore protons than electrons25,iicwrtn l8 does this piece of plastic have?

  What is the charge on 1 kg of xd4ik7sh*+c izc 5d 2cprotons?

  An atomic nucleus has a charg7u0d;5r+v5k y pjl/h.4uje qpi2yeo pe 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 -4.0v ;.m9zx/w(dalwdszv z3sa2. mC, respectively. What is the magnitude of the ;vw9za/zs3v(l madd zws2x. .electric force between them?

  A 1.0-C charge is 15 m from a secky e,e mp7q8uaid33u0ond charge, and the force between them is 1.0 N3auid8 eyum,0q7pe 3k . What is the magnitude of the second charge?

  Two 1.0-C charges have a 1w,ijohgd/amb/5 / hzazoet34 3ivh/force between them of 1.0 N. How far apart are they?

  The force between a 7mb sl8t xak);$30 \; mC$ 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 17st qyi2iy2(y .0-N force. If they are moved to a new separation of 8.0 cm, what is the elecyyi7(q2 ytis2tric force between them?

  Three identical point charges of /zf 5ylqa t 9yvboa/yf.3wc jyk2l,452.0 mC 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 ,o.y/ajz 4q ky flac yv w5tl2b9/y3f5at 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. sz0jt msm) .n4A 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 mst)0 mn.sz4jof the electrostatic force which acts on the charge at the origin?

  Three point charges are logfh--wzfly), us:0 a,xt5jda cated at the following 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 magnitude w ,-y)tz: jd- ,g5faf 0luhsaxof the force on the 3.00-mC charge?

  A point charge of +Q is placed at the center of a square, and a second point cha xo o*3e9amtyzc7 n0zfj 4+de8rge 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 ceeano +0 37*jztx ycdz fme89o4nter 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 lp)7:cq4*,sd 4* th,q gvjhwhhv+cs h = -1.0 nC is at (0, 0.10 m); Q3 = 5.0 nC is at (0, 0). p,q**4v hlhhd+4:)v jhs,wq sh g7 tccWhat is the magnitude 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, 0.1iucoxx6hm:qfbh kz0e 0 85ka1(m7;me4yelv ;0 m); Q3 = 5.0 nC is at (0, 0). What is the direction of the net 76h1 aelmeiuqxbk yev0f m:o ;4(5;cmzkhx80force on the 5.0 nC charge?

  Three identical charges of 3.0 mC are placed at the verb,gbe3c3fi t agt,4h*b2) z fqtices of an equilateral triangle which measures 30 cm on a side. What is the magnitude of the electfcafb etg )b332i*,t,bg hqz4rostatic force which acts on any one of the charges?

  Consider point charges of +Q and +4Q, which are separated by 3.0 m. : sxvz0 8k.mdyAt what poim8zy:s. kdvx 0nt, on a line between the 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 the origin and a +9.0-C charge is at x = 4.0 m.9)/ i2itx uf v t+4az2qw:usfz Where on the x-axis zza) iwvxq t 29/u:f s+f2i4tucan a third charge be placed so the net force on it is zero?

  Charge +2q is placed atcrf1 st+m -x4iig 8gt,4ll0 rk the origin and charge -q is placed at x = 2a. Where can a third posiitxgtifgl 0rs,-4ck1 4+rl8mtive charge +q be placed so that the force on it is zero?

  A copper penny has a mp .d17l:-hq(lgoe cc )z qrp;zass of 3.0 g. A total 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 /pcfz/(d2wsvl c 8s(x4xkw o-up against the force of gravity by the attraction of a fixed proton sz c k-fx((x/o2wwl/8pdscvs 4ome distance above it. How far above the electron is the proton?

  Two 0.20-g metal sphee lgat)hr., u,res are hung from a common point by nonconducting threads which are 30 cm long. Both are given identical charges, and the electrostatic repulsion forces )tgral ., ,uhethem 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 the el8 f(qwz / 0ce2.ivhmwu ak66uwectric field at a distiau0 c/w8wfez6 2vw k.( 6humqance of 1.0 m from the nucleus?

  What are the magnitude and direction of the el m 8.(bmq r(yl5bw:xphectric field at a distance of 1.50 m from a 50.0-nC chxbmpbl:ry(qw h( .5m 8arge?

  A 5.0-C charge is 10 m from a small test charge. What is thi ,fzl1e52nq5u swmeb9u,wus /zf .3ue magnitude of the electric field at the location ofnielu us,wb5 f3q519e 2f.,szz uuwm/ the test charge?

  A 5.0-C charge is 10 m from a small test cha ,0ac1d-obwircaj2 q )rge. What is the direction of the electq2ac1)iowdr - 0ac bj,ric field?

  A 5.0-C charge is 10 m from a small test char m du;gw -bqm.o0o)b5bge. What is the magnitude of the force experienced byud mqog5;b)mbbwo .0- a 1.0 nC charge placed at the location of the test charge?

  Two point charges each have a value of 3.0 C and anq pfdxan,e52 6r) t4xre separated by a distance of 4.0 m. What is t5d,q)fx entx6n 4r2pahe electric field at a point midway between the two charges?

  A 5.0-mC charge is placed at the 0 cm mark of a mk.m9k)v.1 8t gafeoc xeter stick and a -4.0 mC charge is placed at theftkm kc) g8.ov1e9xa. 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 mC cha51)w pmlf/lzp;fa 7vu xf;3 .w,zm/hfdhtl; j rge is placed at the 50 cm mark. At what point on a line joining thhp l;zv/7wa1 jhxm5wu fz; fm .,f)llp dt;3/fe two charges is the electric field zero?

  Two point charges of +3.0g v/dlu-z)rs c-i6+ag 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 midwal+ ir-g6g)-a/ usdzcvy between them?

  Three 3.0 mC charges are at the t.yvc3 l7eou t+hree corners of a square of side 0.50 m. The last corner is occupied by a -3.0 mC charge. Find the evelu. 73oc yt+lectric field at the center of the square.

  Consider a square which is 1.0 m on a side. Charges are placed at the corners-b3eb1asm e6 s 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 a163bsm -esebis 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 h7x*: xs8xcj fis placed in a uniform electric field. What is the magnitude of this electric fielx:s8 fh* cx7jxd?

  A particle with a charge of 4.0 mC has nze-gi 1sjm-0ll*5 yhjz( :ada 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/Cg3*0lwl5 ebkg pointing downward. W3e k*lbg5w0lghat charge must be placed on the ball for it to be suspended?

  A foam ball of mass 0.150 g carries a charge of -2.00 nC. The ball is placed inrr0*wj 4 xged/side a uniform electric field, and is suspended against the force of gravity. What are the ma0/ 4dgxrj*ewrgnitude and direction of the electric field?

  A metal sphere of radius 10 cm carries a charge of +gri3-kr1 jd r t,mi8j.2.0 mC. What is the magnitude of the electric field 5.0 cm from the sphere's surface?.rkiji-t m,rr 8 1jgd3

  A metal sphere of radius 2.0 cm carries a charge of 3.0 mC. Wh7:*dg q-t vo/(1 v0ghdu;svrmj oeta4at is the electric field 6.0 cmj:v -(;vmd4s17hgvetug *qt0dao /ro from the center of the sphere?