1 Introduction: The Nature Of Science And Physics 2 Kinematics 3 Two-dimensional Kinematics 4 Dynamics: Force And Newton's Laws Of Motion 5 Further Applications Of Newton's Laws: Friction, Drag, And Elasticity 6 Uniform Circular Motion And Gravitation 7 Work, Energy, And Energy Resources 8 Linear Momentum And Collisions 9 Statics And Torque 10 Rotational Motion And Angular Momentum 11 Fluid Statics 12 Fluid Dynamics And Its Biological And Medical Applications 13 Temperature, Kinetic Theory, And The Gas Laws 14 Heat And Heat Transfer Methods 15 Thermodynamics 16 Oscillatory Motion And Waves 17 Physics Of Hearing 18 Electric Charge And Electric Field 19 Electric Potential And Electric Field 20 Electric Current, Resistance, And Ohm's Law 21 Circuits And Dc Instruments 22 Magnetism 23 Electromagnetic Induction, Ac Circuits, And Electrical Technologies 24 Electromagnetic Waves 25 Geometric Optics 26 Vision And Optical Instruments 27 Wave Optics 28 Special Relativity 29 Introduction To Quantum Physics 30 Atomic Physics 31 Radioactivity And Nuclear Physics 32 Medical Applications Of Nuclear Physics 33 Particle Physics 34 Frontiers Of Physics expand_more
Chapter Questions expand_more
Problem 1CQ: Volcanic and other such activity at the mid-Athletic ridge extrudes material to fill the gap between... Problem 2CQ: Explain why the magnetic field would not be unique (that is, not have a single value) at a point in... Problem 3CQ: List the ways in which magnetic field lines and electric field lines the similar. For example, the... Problem 4CQ: Noting that the magnetic field lines of a bar magnet resemble the electric field lines of a pair of... Problem 5CQ: Is the Earth's magnetic field parallel to the ground at all locations? If not, where is it parallel... Problem 6CQ: If a charged particle moves in a straight line through some region of space, can you say that the... Problem 7CQ: How can the motion of a charged particle be used to distinguish between a magnetic and an electric... Problem 8CQ: High-velocity charged particles can damage biological cells and are a component of radiation... Problem 9CQ: If a cosmic ray proton approaches the Earth from outer space along a line toward the center of the... Problem 10CQ: What are the signs of the charges on the particles in Figure 22.46? Problem 11CQ: Which of the particles in Figure 22.47 has the greatest velocity, assuming they have identical... Problem 12CQ: Which of the particles in Figure 22.47 has the greatest mass, assuming all have identical charges... Problem 13CQ: While operating, a high-precision TV monitor is placed on its side during maintenance. The image on... Problem 14CQ: Discuss how the Hall effect could be used to obtain information on free charge density in a... Problem 15CQ: Draw a sketch of the situation in Figure 22.30 showing the direction of electrons carrying the... Problem 16CQ: Verify than the direction of the line force in an MHD drive, such as that in Figure 22.32, does not... Problem 17CQ: Why would a magnetohydrodynamic drive work better in ocean water than in fresh water? Also, why... Problem 18CQ: Which is more likely to interfere with compass readings. AC current in your refrigerator or DC... Problem 19CQ: Draw a diagram and use RHR-l to show that the forces on the top and bottom segments of the motor’s... Problem 20CQ: Make a drawing and use RHR—2 to find the direction of the magnetic field of a current loop in a... Problem 21CQ: Is the force attractive or repulsive between the hot and neutral lines hung from power poles? Why? Problem 22CQ: It you have three parallel wires in the same plane, as in Figure 22.48, with currents in the outer... Problem 23CQ: Suppose two long straight wires run perpendicular to one another without touching. Does one exert a... Problem 24CQ: Use the right hand rules to show that the force between the two loops in Figure 22.49 is attractive... Problem 25CQ: If one of the loops in Figure 22.49 is titled slightly relative to the other and then currents are... Problem 26CQ: Electric field lines can be shielded by me Faraday cage effect. Can we have magnetic shielding? Can... Problem 27CQ: Measurements at the weak and ?uctuating magnetic fields associated with brain activity are called... Problem 28CQ: Discuss the possibility that a Hall voltage would be generated on the moving heart of a patient... Problem 29CQ: A patient in an MRI unit turns his head quickly to one side and experiences momentary dizziness and... Problem 30CQ: You are told that in a certain region there is either a uniform electric or magnetic field. What... Problem 31CQ: An example of magnetohydrodynamics (MHD) comes from the flow of a river (salty water). This fluid... Problem 32CQ: Draw gravitational field lines between 2 masses, electric field lines between a positive and... Problem 1PE: What is the direction of the magnetic force on a positive charge that moves as shown in each of the... Problem 2PE: Repeal Exercise 22.1 for a negative charge. Problem 3PE: What is the direction of the velocity of a negative charge that experiences the magnetic force shown... Problem 4PE: Repeal Exercise 22.3 for a positive charge. Problem 5PE: What is the direction of the magnetic field that produces the magnetic force on a positive charge as... Problem 6PE: Repeal Exercise 22.5 for a negative charge. Problem 7PE: What is the maximum force on an aluminum rod with a 0.100C charge that you pass between the poles of... Problem 8PE: (a) Aircraft sometimes acquire small static charges. Suppose a supersonic jet has a 0.500C charge... Problem 9PE: (a) A cosmic ray proton moving toward the Earth at 5.00107m/s experiences a magnetic force of... Problem 10PE: An electron moving at 4.00103m/s in a 1.25T magnetic field experiences a magnetic force of... Problem 11PE: (a) A physicist performing a sensitive measurement wants to limit the magnetic force on a moving... Problem 12PE: A cosmic ray electron moves at 7.50106m/s perpendicular to the Earth's magnetic field at an altitude... Problem 13PE: A proton moves at 7.50107m/s perpendicular to a magnetic field. The field causes the proton to... Problem 14PE: (a) Viewers of Star Trek hear of an antimatter drive on the Starship Enterprise. One possibility for... Problem 15PE: (a) An oxygen16 ion with a mass at 2.661026kg travels at 5.00106m/s perpendicular to a 1.20T... Problem 16PE: What radius circular path does an electron travel if it moves at the same speed and in the same... Problem 17PE: A velocity selector in a mass spectrometer uses a 0.100T magnetic field. (a) What electric field... Problem 18PE: An electron in a TV CRT moves with a speed at 6.00107m/s, in a direction perpendicular to the... Problem 19PE: (a) At what speed will a proton move in a circular path of the same radius as the electron in... Problem 20PE: A mass spectrometer is being used to separate common oxygen16 from the much rarer oxygen18, taken... Problem 21PE: (a) Triply charged uranium-235 and uranium-238 ions are being separated in a mass spectrometer. (The... Problem 22PE: A large water main is 2.50 m in diameter and the average water velocity is 6.00 m/s. Find the Hall... Problem 23PE: What Hall voltage is produced by a 0.200T field applied across a 2.60-cm-diameter aorta when blood... Problem 24PE: (a) What is the speed of a supersonic aircraft with a 17.0-m wingspan, if it experiences a 1.60V... Problem 25PE: A nonmechanical water meter could utilize the Hall effect by applying a magnetic field across a... Problem 26PE: Calculate the Hall voltage induced on a patient’s heart while being scanned by an MRI unit.... Problem 27PE: A Hall probe calibrated to read 1.00V when placed in a 2.00T field is placed in a 0.150T field. What... Problem 28PE: Using information in Example 20.6, what would the Hall voltage be if a 2.00T field is applied across... Problem 29PE: Show that the Hall voltage across wires made of the same material, carrying identical currents, and... Problem 30PE: A patient with a pacemaker is mistakenly being scanned for an MRI image. A 10. 0-cm-long section of... Problem 31PE: What is the direction of the magnetic force on the current in earth of the six cases in Figure... Problem 32PE: What is the direction of a current that experiences the magnetic force shown in each of the three... Problem 33PE: What is the direction of the magnetic field that produces the magnetic force shown on the currents... Problem 34PE: (a) What is the force per meter on a lightning bolt at the equator that carries 20,000 A... Problem 35PE: (a) A DC power line for a light-rail system carries 1000 A at an angle of 30.0° to the Earth’s... Problem 36PE: What force is exerted on the water in an MHD drive utilizing a 25.0-cm-diameter tube, it 100-A... Problem 37PE: A wire carrying a 30.0-A current passes between the poles of a strong magnet that is perpendicular... Problem 38PE: (a) A 0.750-m-long section of cable carrying current to a car starter motor makes an angle at 60°... Problem 39PE: (a) What is the angle between a wire carrying an 8.00-A current and the 1.20-T field it is in if... Problem 40PE: The force on the rectangular loop of wire in the magnetic field in Figure 22.56 can be used to... Problem 41PE: (a) By how many percent is the torque of a motor decreased if its permanent magnets lose 5.0% of... Problem 42PE: (a) What is me maximum torque on a 150Turn square loop of wire 18.0 cm on a side that carries a... Problem 43PE: Find the current through a loop needed to create a maximum torque of 9.00 N (m. The loop has 50... Problem 44PE: Calculate the magnetic field strength needed on a 200-1urn square loop 20.0 cm on a side to create a... Problem 45PE: Since the equation for torque on a current-carrying loop is =NIABsin, the units of N (m must equal... Problem 46PE: (a) At what angle (is the torque on a current loop 90.0% of maximum? (b) 50.0% of maximum? (c) 10.0%... Problem 47PE: A proton has a magnetic field due to its spin on its axis. The field is similar to that created by a... Problem 48PE: (a) A 200Turn circular loop of radius 50.0 cm is vertical, with its axis on an east-west line. A... Problem 49PE: Repeat Exercise 22.41, but with the loop lying flat on the ground with its current circulating... Problem 50PE: (a) The hot and neutral wires supplying DC power to a light-rail commuter train carry 800 A and are... Problem 51PE: The force per meter between the two wires of a jumper cable being used to start a stalled car is... Problem 52PE: A 2.50m segment of wire supplying current to the motor of a submerged submarine carries 1000 A and... Problem 53PE: The wire carrying 400 A to The motor of a commuter train feels an attractive force of 4.00103N/m due... Problem 54PE: An AC appliance cord has its hot and neutral wires separated by 3.00 mm and carries a 5.00-A... Problem 55PE: Figure 22.57 shows a long straight wire near a rectangular current loop. What is the direction and... Problem 56PE: Find the direction and magnitude of the force that each wire experiences in Figure 22.58(a) by,... Problem 57PE: Find the direction and magnitude of the force that each wire experiences in Figure 22.58(b), using... Problem 58PE: Indicate whether the magnetic field created in each of the three situations shown in Figure 22.59 is... Problem 59PE: What are the directions of the fields in the center of the loop and coils shown in Figure 22.60? Problem 60PE: What are the directions of the currents in the loop and coils shown in Figure 22.61? Problem 61PE: To see why an MRI utilizes iron to increase the magnetic field created by a coil, calculate the... Problem 62PE: Inside a motor, 30.0 A passes through a 250-turn circular loop that is 10.0 cm in radius. What i5... Problem 63PE: Nonnuclear submarines use batteries for power when submerged. (a) Find the magnetic field 50.0 cm... Problem 64PE: How strong is the magnetic field inside a solenoid with 10,000 turns per meter that carries 20.0 A? Problem 65PE: What current is needed in the solenoid described in Exercise 22.58 to produce a magnetic field 104... Problem 66PE: How far from the starter cable of a car, carrying 150 A, must you be to experience a field less than... Problem 67PE: Measurements affect the system being measured, such as the current loop in Figure 22.56. (a)... Problem 68PE: Figure 22.62 shows a long straight wire just touching a loop carrying a current I1. Beth lie in the... Problem 69PE: Find the magnitude and direction of the magnetic field at the point equidistant from the wires in... Problem 70PE: Find the magnitude and direction of the magnetic field at the point equidistant from the wires in... Problem 71PE: What current is needed in the top wire in Figure 22.58(a) to produce a field of zero at the point... Problem 72PE: Calculate the size of the magnetic field 20 m below a high voltage power line. The line carries 450... Problem 73PE: Integrated Concepts A pendulum is set up so that its bob (a thin copper disk) swings between the... Problem 74PE: Integrated Concepts (a) What voltage will accelerate electrons to a speed of 6.00107m/s ? (b) Find... Problem 75PE: Integrated Concepts Find the radius of curvature of the path of a 25.0-Mev proton moving... Problem 76PE: Integrated Concepts To construct a nonmechanical water meter, a 0.500T magnetic field is placed... Problem 77PE: Integrated Concepts (a) Using the values given for an MHD drive in Exercise 22.59, and assuming the... Problem 78PE: Integrated Concepts (a) Calculate the maximum torque on a 50Turn, 1.50 cm radius circular current... Problem 79PE: Integrated Concepts A current balance used to define the ampere is designed so that the current... Problem 80PE: Integrated Concepts (a) Show that the period of the circular orbit of a charged particle moving... Problem 81PE: Integrated Concepts A cyclotron accelerates charged particles as shown in Figure 22.64. Using the... Problem 82PE: Integrated Concepts (a) A 0.140-kg baseball, pitched at 40.0 m/s horizontally and perpendicular to... Problem 83PE: Integrated Concepts (a) What is the direction of the force on a wire carrying a current due east in... Problem 84PE: Integrated Concepts One long straight wire is to be held directly above another by repulsion between... Problem 85PE: Unreasonable Results (a) Find the charge on a baseball, thrown at 35.0 m/s perpendicular to the... Problem 86PE: Unreasonable Results A charged particle having mass 6.641027kg (that of a helium atom) moving at... Problem 87PE: Unreasonable Results An inventor wants to generate 120V power by moving a 1.00mlong wire... Problem 88PE: Unreasonable Results Frustrated by the small Hall voltage obtained in blood flow measurements, a... Problem 89PE: Unreasonable Results A surveyor 100 m from a long straight 200-kV DC power line suspects that its... Problem 90PE: Construct Your Own Problem Consider a mass separator that applies a magnetic field perpendicular to... Problem 91PE: Construct Your Own Problem Consider using the torque on a current-carrying coil in a magnetic field... format_list_bulleted
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