Charges A and B exert repulsive forces on each other. qA= 4qB. Which statement is true?A. FA on B> FB on AB. FA on B< FB on AC. FA on B= FB on AReview 1An electron is placed at the position marked by the dot. The force on the electron isA. to the left.B. to the right.C. zero.D. There’s not enough information to tell.Review 2A. E2> E4> E1> E3B. E2> E1= E4> E3C. E2> E1> E4> E3D. E1= E2> E3= E4E. E1> E2> E3> E4Rank in order, from largest to smallest, the electric field strengths E1to E4at points 1 to 4.Review 3A. Left.B. Down.C. Right.D. Up.E. The electric field is zero.At the position of the dot, the electric field pointsReview 4Rank in order, from largest to smallest, the electric field strengths Eato Eeat these five points near a plane of charge.A. Ea= Eb= Ec= Ed= EeB. Ea> Ec> Eb> Ee> EdC. Eb= Ec= Ed= Ee> EaD. Ea> Eb= Ec> Ed= EeE. Ee> Ed> Ec> Eb> EaReview 5Review 6Rank in order, from largest to smallest, the forces Fato Fea proton would experience if placed at points a – e in this parallel-plate capacitor.A. Fa= Fb= Fc= Fd= FeB. Fa= Fb> Fc> Fd= FeC. Fa= Fb= Fd= Fe> FcD. Fe> Fd> Fc> Fb> FaE. Fe= Fd> Fc> Fa= FbReview 7This box containsA. a net positive charge.B. no net charge. C. a net negative charge.D. a positive charge. E. a negative charge.Review 8Rank order, from largest to smallest, the electric fluxes ato ethrough surfaces a to e.A. Φa> Φc> Φb> Φd> ΦeB. Φb= Φe> Φa= Φc= ΦdC. Φe> Φd> Φb> Φc> ΦaD. Φb> Φa> Φc> Φe> ΦdE. Φd= Φe> Φc> Φa= ΦbReview 9Gauss’s law applies toA. lines.B. flat surfaces.C. spheres only.D. closed surfaces.Review 10The electric field inside a conductor in electrostatic equilibrium isA. uniform.B. zero.C. radial.D. symmetric.Review 11If a negative charged rod is held near a neutral metal ball, the ball is attracted to the rod. This happensA. because of magnetic effects.B. because the ball tries to pull the rod’s electrons over to it.C. because the rod polarizes the metal.D. because the rod and the ball have opposite charges.Review 12The total electric flux through this box isA. 0 Nm2/C.B. 1 Nm2/C.C. 2 Nm2/C.D. 4 Nm2/C.E. 6 Nm2/C.Review 13A piece of plastic is uniformly charged with surface charge density 1. The plastic is then broken into a large piece with surface charge density 2and a small piece with surface charge density 3. Rank in order, from largest to smallest, the surface charge densities 1to 3.A. η1> η2 > η3B. η1> η2 = η3C. η1= η2 = η3D. η2= η3 > η1E. η3> η2 > η1Review 14Which of the following actions will increase the electric field strength at the position of the dot?A. Make the rod longer without changing the charge. B. Make the rod shorter without changing the charge. C. Make the rod fatter without changing the charge. D. Remove charge from the rod.E. None of these will change the electric field at the dotReview 15A. V1= V2= V3and E1= E2= E3B. V1= V2= V3and E1> E2> E3C. V1> V2> V3and E1= E2= E3D. V1> V2> V3and E1> E2> E3E. V3> V2> V1and E1= E2= E3Three charged, metal spheres of different radii are connected by a thin metal wire. The potential and electric field at the surface of each sphere are V and E. Which of the following is true?Review 16A proton is released from rest at point B, where the potential is 0 V. Afterward, the protonA. moves toward A with an increasing speed. B. moves toward A with a steady speed. C. remains at rest at B. D. moves toward C with a steady speed.E. moves toward C with an increasing speed.Review 17Rank in order, from largest to smallest, the potential differences ∆V12, ∆V13, and ∆V23between points 1 and 2, points 1 and 3, and points 2 and 3.A. ∆V12> ∆V13= ∆V23B. ∆V13> ∆V12> ∆V23C. ∆V13> ∆V23> ∆V12D. ∆V13= ∆V23> ∆V12E. ∆V23> ∆V12> ∆V13Review 18Rank in order, from largest to smallest, the potentials Vato Veat the points a to e. A. Va= Vb= Vc= Vd= VeB. Va= Vb> Vc> Vd= VeC. Vd= Ve> Vc> Va= VbD. Vb= Vc= Ve> Va= VdE. Va= Vb= Vd= Ve> VcReview 19Rank in order, from largest to smallest, the equivalent capacitance (Ceq)ato (Ceq)dof circuits a to d.A. (Ceq)a > (Ceq)b = (Ceq)c > (Ceq)d B. (Ceq)b > (Ceq)a = (Ceq)d > (Ceq)c C. (Ceq)c > (Ceq)a = (Ceq)d > (Ceq)b D. (Ceq)d > (Ceq)b = (Ceq)c > (Ceq)aReview 20The equivalent resistance for a group of parallel resistors is A. less than any resistor in the group.B. equal to the smallest resistance in the group.C. equal to the average resistance of the group.D. equal to the largest resistance in the group.E. larger than any resistor in the group.Review 21Conductors a to d are all made of the same material. Rank in order, from largest to smallest, the resistances Rato Rd.A. Ra> Rc> Rb> RdB. Rb> Rd> Ra> RcC. Rc> Ra> Rd> RbD. Rc> Ra= Rd> RbE. Rd> Rb> Rc> RaIn the circuit shown in (a), the two bulbs A and B are identical. Bulb B is removed and the circuit is completed as shown in (b). Compared to the brightness of bulb A in (a), bulb A in (b) isA. brighter. B. less bright.C. just as bright.D. any of the above, depending on the rated wattage of the bulb.Review 33Which of the two arrangements shown has the smaller equivalent resistance between points a and b?A. the series arrangementB. the parallel arrangement C. The equivalent resistance is the same for both arrangements.D. The answer depends on the values of the individual resistances R1, R2, and R3.Review 34Review 35The voltage between points aand b is 120 V. Through which bulb is there the greatest voltage drop?a b120 V240 W120 V120 W120 V60 WA. the 120-V, 60-W light bulbB. the 120-V, 120-W light bulbC. the 120-V, 240-W light bulbD. All three light bulbs have the same voltage drop.Review 36The voltage between points aand b is 120 V. Which bulb glows the brightest?a b120 V240 W120 V120 W120 V60 WA. the 120-V, 60-W light bulbB. the 120-V, 120-W light bulbC. the 120-V, 240-W light bulbD. All three light bulbs glow with equal brightness.Review 37ab120 V240 W120 V120 W120 V60 WA 120-V, 60-W light bulb, a 120-V, 120-W light bulb, and a 120-V, 240-W light bulb are connected in series as shown.Thevoltage between points a and b is 120 V. Through which bulb is there the greatest voltage drop?A. the 120-V, 60-W light bulbB. the 120-V, 120-W light bulbC. the 120-V, 240-W light bulbD. All three light bulbs have the same voltage drop.Review 37ab120 V240 W120 V120 W120 V60 WA 120-V, 60-W light bulb, a 120-V, 120-W light bulb, and a 120-V, 240-W light bulb are connected in series as shown.Thevoltage between points a and b is 120 V. Which bulb glows the
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