1 Introduction 2 Motion In One Dimension 3 Vectors And Two-Dimensional Motion 4 The Laws Of Motion 5 Energy 6 Momentum And Collisions 7 Rotational Motion And The Law Of Gravity 8 Rotational Equilibrium And Rotational Dynamics 9 Solids And Fluids 10 Thermal Physics 11 Energy In Thermal Processes 12 The Laws Of Thermodynamics 13 Vibrations And Waves 14 Sound 15 Electric Forces And Electric Fields 16 Electrical Energy And Capacitance 17 Current And Resistance 18 Direct-Current Circuits 19 Magnetism 20 Induced Voltages And Inductance 21 Alternating-Current Circuits And Electromagnetic Waves 22 Reflection And Refraction Of Light 23 Mirrors And Lenses 24 Wave Optics 25 Optical Instruments 26 Relativity 27 Quantum Physics 28 Atomic Physics 29 Nuclear Physics 30 Nuclear Energy And Elementary Particles expand_more
15.1 Properties Of Electric Charges 15.2 Insulators And Conductors 15.3 Coulomb's Law 15.4 Electric Fields 15.5 Elect Ric Field Lines 15.6 Conductors In Electrostatic Equilibrium 15.7 The Millikan O il-Drop Experiment 15.8 The Van De Graaff Generator 15.9 Electric Flux And Gauss' Law Chapter Questions expand_more
Problem 1CQ: A glass object receives a positive charge of +3 nC by rubbing it with a silk cloth. In the rubbing... Problem 2CQ: The fundamental charge is e = 1.60 1019 C. Identify whether each of the following statements is... Problem 3CQ: Each of the following statements is related to conductors in electrostatic equilibrium. Choose the... Problem 4CQ: Two uncharged, conducting spheres are separated by a distance d. When charge Q is moved from sphere... Problem 5CQ: Four concentric spheres S1, S2, S3, and S4 are arranged as in Figure CQ15.5 and each charge in the... Problem 6CQ: IF a suspended object A is attracted to a charged object B, can we conclude that A is charged?... Problem 7CQ: Positive charge Q is located at the center of a hollow, conducting spherical shell. (a) Is the... Problem 8CQ: Consider point A in Figure CQ15.8 located an arbitrary distance from two point charges in otherwise... Problem 9CQ: A student stands on a thick piece of insulating material, places her hand on top of a Van de Graaff... Problem 10CQ: In fair weather, there is an electric field at the surface of the Earth, pointing down into the... Problem 11CQ: A charged comb often attracts small bits of dry paper that then fly away when they touch the comb.... Problem 12CQ: Why should a ground wire be connected to the metal support rod for a television antenna? Problem 13CQ: There are great similarities between electric and gravitational fields. A room can be electrically... Problem 14CQ: A spherical surface surrounds a point charge q. Describe what happens to the total flux through the... Problem 15CQ: If more electric field lines leave a Gaussian surface than enter it, what can you conclude about the... Problem 16CQ: A student who grew up in a tropical country and is studying in the United States may have no... Problem 17CQ: What happens when a charged insulator is placed near an uncharged metallic object? (a) They repel... Problem 1P: A 7.50-nC charge is located 1.80 m from a 4.20-nC charge. (a) Find the magnitude of the... Problem 2P: A charged particle A exerts a force of 2.62 N to the right on charged particle B when the particles... Problem 3P: Rocket observations show that dust particles in Earths upper atmosphere are often electrically... Problem 4P: A small sphere of mass m = 7.50 g and charge q1 = 32.0 nC is attached to the end of a string and... Problem 5P: The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously... Problem 6P: A molecule of DNA (deoxyribonucleic acid) is 2.17 m long. The ends of the molecule become singly... Problem 7P: Two uncharged spheres are separated by 2.00 in. If 3.50 1012 electrons are removed from one sphere... Problem 8P: Four point charges are at the corners of a square of side a as shown in Figure P15.8. Determine the... Problem 9P: Two small identical conducting spheres are placed with their centers 0.30 m apart. One is given a... Problem 10P: Calculate the magnitude and direction of the Coulomb force on each of the three charges shown in... Problem 11P: Three charges are arranged as shown in Figure P15.11. Find the magnitude and direction of the... Problem 12P: A positive charge q1 = 2.70 C on a frictionless horizontal surface is attached to a spring of force... Problem 13P: Three point charges are located at the corners of an equilateral triangle as in Figure P15.13. Find... Problem 14P: Two identical metal blocks resting on a frictionless horizontal surface are connected by a light... Problem 15P: Two small metallic spheres, each of mass m = 0.20 g, are suspended as pendulums by light strings... Problem 16P: Panicle A of charge 3.00 104 C is at the origin, particle B of charge 6.00 104 C is at (4.00 m,... Problem 17P: A small object of mass 3.80 g and charge 18.0 C is suspended motionless above the ground when... Problem 18P: (a) Determine the electric field strength at a point 1.00 cm to the left of the middle charge shown... Problem 19P: An electric field of magnitude 5.25 105 N/C points due south at a certain location. Find the... Problem 20P: An electron is accelerated by a constant electric field of magnitude 300 N/C. (a) Find the... Problem 21P: Charge q1 = 1.00 nC is at x1 = 0 and charge q2 = 3.00 nC is at x2 = 2.00 m. At what point between... Problem 22P: A small sphere of charge q = +68 C and mass m = 5.8 g is attached to a light string and placed in a... Problem 23P: A proton accelerates from rest in a uniform electric field of 640. N/C At some later time, its speed... Problem 24P: (a) Find the magnitude and direction of the electric field at the position of the 2.00 C charge in... Problem 25P: Four point charges are located at the corners of a square. Each charge has magnitude 3.20 nC and the... Problem 26P: A helium nucleus of mass m = 6.64 1027 kg and charge q = 6.41 1019 C is in a constant electric... Problem 27P: A charged dust particle at rest in a vacuum is held motionless by an upward-directed 475-N/C... Problem 28P: A particle of mass 1.00 109 kg and charge 3.00 pC is moving in a vacuum chamber where the electric... Problem 29P: Two equal positive charges are at opposite corners of a trapezoid as in Figure P15.29. Find symbolic... Problem 30P: Three point charges are located on a circular are as shown in Figure P15.30. (a) What is the total... Problem 31P: In Figure P15.31, determine the point (other than infinity) at which the total electric field is... Problem 32P: Three charges are at the corners of an equilateral triangle, as shown in Figure P15.32. Calculate... Problem 33P: Three identical charges (q = 5.0 C.) lie along a circle of radius 2.0 m at angles of 30, 150, and... Problem 34P: Figure P15.31 shows the electric held lines for two point charges separated by a small distance, (a)... Problem 35P: (a) Sketch the electric field lines around an isolated point charge q 0. (b) Sketch the electric... Problem 36P: (a) Sketch the electric field pattern around two positive point charges of magnitude 1 C placed... Problem 37P: Two point charges are a small distance apart. (a) Sketch the electric field lines for the two if one... Problem 38P: Three equal positive charges are at the corners of an equilateral triangle of side a as in Figure... Problem 39P: Refer 10 Figure 15.20. The charge lowered into the center of the hollow conductor has a magnitude of... Problem 40P: The dome of a Van de Graaff generator receives a charge of 2.0 104 C. Find the strength of the... Problem 41P: If the electric field strength in air exceeds 3.0 106 N/C, the air becomes a conductor. Using this... Problem 42P: In the Millikan oil-drop experiment illustrated in Figure 15.21, an atomizer (a sprayer with a fine... Problem 43P: A Van de Graaff generator is charged so that a proton at its surface accelerates radially outward at... Problem 44P: A uniform electric field of magnitude E = 435 N/C makes an angle of = 65.0 with a plane surface of... Problem 45P: An electric field of intensity 3.50 kN/C is applied along the x-axis. Calculate the electric flux... Problem 46P: The electric field everywhere on the surface of a charged sphere of radius 0.230 m has a magnitude... Problem 47P: Four closed surfaces, S1 through S4, together with the charges 2Q, Q, and Q. are sketched in Figure... Problem 48P: A charge q = +5.80 C is located at the center of a regular tetrahedron (a four-sided surface) as in... Problem 49P: Figure P15.49 shows a closed cylinder with cross-sectional area A = 2.00 m2. The constant electric... Problem 50P: A charge of q = 2.00 109 G is spread evenly on a thin metal disk of radius 0.200 m. (a) Calculate... Problem 51P: A point charge q is located at the center of a spherical shell of radius a that has a charge q... Problem 52P: A charge of 1.70 102 C is at the center of a cube of edge 80.0 cm. No other charges are nearby. (a)... Problem 53P: Suppose the conducting spherical shell of Figure 15.29 carries a charge of 3.00 nC and that a charge... Problem 54P: A very large nonconducting plate lying in the xy-plane carries a charge per unit area of . A second... Problem 55AP: In deep spare, two spheres each of radius 5.00 m are connected by a 3.00 102 m nonconducting cord.... Problem 56AP: A nonconducting, thin plane sheet of charge carries a uniform charge per unit area of 5.20 C/m2 as... Problem 57AP: Three point charges are aligned along the x-axis as shown in Figure P15.57. Find the electric field... Problem 58AP: A small plastic ball of mass m = 2.00 g is suspended by a string of length L = 20.0 cm in a uniform... Problem 59AP: A proton moving at v0 = 1.50 106 m/s enters the region between two parallel plates with charge... Problem 60AP: The electrons in a particle beam each have a kinetic energy K. Find the magnitude of the electric... Problem 61AP: A point charge +2Q is at the origin and a point charge Q is located along the x-axis at x = d as in... Problem 62AP: A 1.00-g cork ball having a positive charge of 2.00 mC is suspended vertically on a 0.500-m-long... Problem 63AP: Two 2.0-g spheres are suspended by 10.0-cm-long light strings (Fig. P15.63). A uniform electric... Problem 64AP: a point charge of magnitude 5.00 C is at the origin of a coordinate system, and a charge of 4.00 C... Problem 65AP: Two hard rubber spheres, each of mass m = 15.0 g, are rubbed with fur on a dry day and are then... Problem 66AP Problem 67AP: A solid conducting sphere of radius 2.00 cm has a charge of 8.00 C. A conducting spherical shell of... Problem 68AP: Three identical point charges, each of mass m = 0.100 kg, hang from three strings, as shown in... Problem 69AP: Each of the electrons in a particle beam has a kinetic energy of 1.60 1017 J. (a) What is the... Problem 70AP: Protons are projected with an initial speed v0 = 9 550 m/s into a region where a uniform electric... format_list_bulleted