Review 1 Charges A and B exert repulsive forces on each other qA 4qB Which statement is true A FA on B FB on A B FA on B FB on A C FA on B FB on A Review 2 An electron is placed at the position marked by the dot The force on the electron is A to the left B to the right C zero D There s not enough information to tell Review 3 Rank in order from largest to smallest the electric field strengths E1 to E4 at points 1 to 4 A B C D E E2 E4 E1 E3 E2 E1 E4 E3 E2 E1 E4 E3 E1 E2 E3 E4 E1 E2 E3 E4 Review 4 At the position of the dot the electric field points A B C D E Left Down Right Up The electric field is zero Review 5 Rank in order from largest to smallest the electric field strengths Ea to Ee at these five points near a plane of charge A B C D E Ea Eb Ec Ed Ee Ea Ec Eb Ee Ed Eb Ec Ed Ee Ea Ea Eb Ec Ed Ee Ee Ed Ec Eb Ea Review 6 Rank in order from largest to smallest the forces Fa to Fe a proton would experience if placed at points a e in this parallel plate capacitor A B C D E Fa Fb Fc Fd Fe Fa Fb Fc Fd Fe Fa Fb Fd Fe Fc Fe Fd Fc Fb Fa Fe Fd Fc Fa Fb Review 7 This box contains A B C D E a net positive charge no net charge a net negative charge a positive charge a negative charge Review 8 Rank order from largest to smallest the electric fluxes a to e through surfaces a to e A B C D E a c b d e b e a c d e d b c a b a c e d d e c a b Review 9 Gauss s law applies to A lines B flat surfaces C spheres only D closed surfaces Review 10 The electric field inside a conductor in electrostatic equilibrium is A uniform B zero C radial D symmetric Review 11 If a negative charged rod is held near a neutral metal ball the ball is attracted to the rod This happens A 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 12 The total electric flux through this box is A B C D E 0 Nm2 C 1 Nm2 C 2 Nm2 C 4 Nm2 C 6 Nm2 C Review 13 A piece of plastic is uniformly charged with surface charge density 1 The plastic is then broken into a large piece with surface charge density 2 and a small piece with surface charge density 3 Rank in order from largest to smallest the surface charge densities 1 to 3 A B C D E 1 1 1 2 3 2 3 2 3 2 3 3 1 2 1 Review 14 Which of the following actions will increase the electric field strength at the position of the dot A B C D E Make the rod longer without changing the charge Make the rod shorter without changing the charge Make the rod fatter without changing the charge Remove charge from the rod None of these will change the electric field at the dot Review 15 Three 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 A B C D E V1 V2 V3 and E1 E2 E3 V1 V2 V3 and E1 E2 E3 V1 V2 V3 and E1 E2 E3 V1 V2 V3 and E1 E2 E3 V3 V2 V1 and E1 E2 E3 Review 16 A proton is released from rest at point B where the potential is 0 V Afterward the proton A B C D E moves toward A with an increasing speed moves toward A with a steady speed remains at rest at B moves toward C with a steady speed moves toward C with an increasing speed Review 17 Rank in order from largest to smallest the potential differences V12 V13 and V23 between points 1 and 2 points 1 and 3 and points 2 and 3 A B C D E V12 V13 V23 V13 V12 V23 V13 V23 V12 V13 V23 V12 V23 V12 V13 Review 18 Rank in order from largest to smallest the potentials Va to Ve at the points a to e A B C D E Va Vb Vc Vd Ve Va Vb Vc Vd Ve Vd Ve Vc Va Vb Vb Vc Ve Va Vd Va Vb Vd Ve Vc Review 19 Rank in order from largest to smallest the equivalent capacitance Ceq a to Ceq d of circuits a to d A B C D Ceq a Ceq b Ceq c Ceq d Ceq b Ceq a Ceq d Ceq c Ceq c Ceq a Ceq d Ceq b Ceq d Ceq b Ceq c Ceq a Review 20 The 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 21 Conductors a to d are all made of the same material Rank in order from largest to smallest the resistances Ra to Rd A B C D E Ra R c Rb Rd Rb R d Ra Rc Rc Ra Rd Rb Rc R a Rd Rb Rd R b Rc Ra Review 33 In 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 is A brighter B less bright C just as bright D any of the above depending on the rated wattage of the bulb Review 34 Which of the two arrangements shown has the smaller equivalent resistance between points a and b A the series arrangement B 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 35 The voltage between points a and b is 120 V Through which bulb is there the greatest voltage drop a 120 V 60 W 120 V 120 W A the 120 V 60 W light bulb B the 120 V 120 W light bulb C the 120 V 240 W light bulb 120 V 240 W D All three light bulbs have the same voltage drop b Review 36 The voltage between points a and b is 120 V Which …
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