1 Doing Physics 2 Motion In A Straight Line 3 Motion In Two And Three Dimensions 4 Force And Motion 5 Using Newton's Laws 6 Energy, Work, And Power 7 Conservation Of Energy 8 Gravity 9 Systems Of Particles 10 Rotational Motion 11 Rotational Vectors And Angular Momentum 12 Static Equilibrium 13 Oscillatory Motion 14 Wave Motion 15 Fluid Motion 16 Temperature And Heat 17 The Thermal Behavior Of Matter 18 Heat, Work, And The First Law Of Thermodynamics 19 The Second Law Of Thermodynamics 20 Electric Charge, Force, And Field 21 Gauss's Law 22 Electric Potential 23 Electrostatic Energy And Capacitors 24 Electric Current 25 Electric Circuits 26 Magnetism: Force And Field 27 Electromagnetic Induction 28 Alternating-current Circuits 29 Maxwell's Equations And Electromagnetic Waves 30 Reflection And Refraction 31 Images And Optical Instruments 32 Interference And Diffraction 33 Relativity 34 Particles And Waves 35 Quantum Mechanics 36 Atomic Physics 37 Molecules And Solids 38 Nuclear Physics 39 From Quarks To The Cosmos expand_more
26.1 What Is Magnetism? 26.2 Magnetic Force And Field 26.3 Charged Particles In Magnetic Fields 26.4 The Magnetic Force On A Current 26.5 Origin Of The Magnetic Field 26.6 Magnetic Dipoles 26.7 Magnetic Matter 26.8 Ampere's Law Chapter Questions expand_more
Problem 1FTD: A charged particle moves through a region containing only a magnetic field. Under what condition... Problem 2FTD: An electron moving with velocity v through a magnetic field B experiences a magnetic forceF. Which... Problem 3FTD: A magnetic field points out of this page. Will a positively charged particle moving in the plane of... Problem 4FTD: Do particles in a cyclotron gain energy from the electric field, the magnetic field, or both?... Problem 5FTD: An electron and a proton moving at the same speed enter a region containing a uniform magnetic... Problem 6FTD: Two identical particles carrying equal charge are moving in opposite directions, perpendicular to a... Problem 7FTD: In what two senses does a current loop behave like a magnetic dipole? Problem 8FTD Problem 9FTD: Do currents in the same direction attract or repel? Explain. Problem 10FTD: If a current is passed through an unstretched spring, will the spring contract or expand? Explain. Problem 11FTD: Figure 26.38 shows some magnetic field lines associated with two parallel wires carrying equal... Problem 12FTD Problem 13FTD Problem 14FTD Problem 15E: Find (a) the minimum magnetic field needed to exert a 5.4-fN force on an electron moving at 21 Mm/s... Problem 16E: An electron moving at right angles to a 0.10-T magnetic field experiences an acceleration of 6.0... Problem 17E: Find the magnitude of the magnetic force on a proton moving at 2.5 105 m/s (a) perpendicular; (b)... Problem 18E: The magnitude of Earths magnetic field is about 0.5 gauss near Earths surface. Whats the maximum... Problem 19E: A velocity selector uses a 60-mT magnetic field perpendicular to a 24-kN/C electric field. At what... Problem 20E Problem 21E: How long does it take an electron to complete a circular orbit, perpendicular to a 1,0-G magnetic... Problem 22E: Radio astronomers detect electromagnetic radiation at a frequency of 42 MHz from an interstellar gas... Problem 23E Problem 24E: Two protons, moving in a plane perpendicular to a uniform 500-G magnetic field, undergo an elastic... Problem 25E: Find the magnitude of the force on a 65.5-cm-long wire carrying 12.0 A at right angles to a 475-G... Problem 26E: A wire carrying 15 A makes a 25 angle with a uniform magnetic field. The magnetic force per unit... Problem 27E: Youre on a team performing a high-magnetic-field experiment. A conducting bar carrying 4.1 kA will... Problem 28E: A wire with mass per unit length 75 g/m runs horizontally at right angles to a horizontal magnetic... Problem 29E: A wire carries 6.71 A. You form it into a single-turn circular loop and measure a magnetic field of... Problem 30E: A single-turn wire loop is 2.0 cm in diameter and carries a 650-mA current. Find the magnetic field... Problem 31E: A 2.2-m-long wire carrying 3.5 A is wound into a tight coil 5.0 cm in diameter. Find the magnetic... Problem 32E: Whats the current in a long wire if the magnetic field strength 1.2 cm from the wires axis is 67 T? Problem 33E: In standard household wiring, parallel wires about 1 cm apart carry currents of about 15 A. Whats... Problem 34E: Earths magnetic dipole moment is 8.01022 Am2. Find the magnetic field strength at Earths magnetic... Problem 35E: A single-turn square wire loop 18.0 cm on a side carries a 1.25-A current. (a) Whats the loops... Problem 36E: An electric motor contains a 250-turn circular coil 6.2 cm in diameter. If it develops a maximum... Problem 37E: The line integral of the magnetic field on a closed path surrounding a wire has the value 8.8 Tm.... Problem 38E: The magnetic field shown in Fig. 26.39 has uniform magnitude 75 T, hut its direction reverses... Problem 39E: Number 12 gauge wire, commonly used in household wiring, is 2.053 mm in diameter and can safely... Problem 40E Problem 41E: A superconducting solenoid has 3300 turns per meter and carries 4.1 kA. Find the magnetic field... Problem 42P: A particle carrying a 50-C charge moves with velocity v = 5.0 + 3.2k m/s through a magnetic field... Problem 43P: Jupiter has the strongest magnetic field in our solar system, about 14 G at its poles. Approximating... Problem 44P: A proton moving with velocity v1 = 3.6 104 m/s experiences a magnetic force of 7.4 1016 N. A... Problem 45P: A simplified model of Earths magnetic field has it originating in a single current loop at the outer... Problem 46P: A beam of electrons moving in the x-direction at 8.7 Mm/s enters a region where a uniform 180-G... Problem 47P: Show that the orbital radius of a charged particle moving at right angles to a magnetic field B can... Problem 48P Problem 49P Problem 50P Problem 51P: Youre designing a prosthetic ankle that includes a miniature electric motor containing a 150-turn... Problem 52P: A 20-cm-long conducting rod with mass 18 g is suspended by wires of negligible mass (Fig. 26.41). A... Problem 53P Problem 54P Problem 55P: A simple electric motor consists of a 220-turn coil, 4.2 cm in diameter, mounted between the poles... Problem 56P: Nuclear magnetic resonance (NMR) is a technique for analyzing chemical structures and also the basis... Problem 57P: A wire carrying 1.5 A passes through a 48-mT magnetic field. The wire is perpendicular to the field... Problem 58P: Your company is developing a device incorporating a 20-cm-diameter coil carrying 0.50 A that, when... Problem 59P: A single piece of wire carrying current I is bent so it includes a circular loop of radius a, as... Problem 60P: You and a friend get lost while hiking, so your friend pulls out a magnetic compass to get... Problem 61P: Part of a long wire carrying current I is bent into a semicircle of radius a, as in Fig. 26.44. Use... Problem 62P Problem 63P: A long, straight wire carries a 25-A current. A 10-cm by 15-cm rectangular wire loop carrying 850 mA... Problem 64P: A long conducting rod of radius R carries a nonuniform current density J = J0r/R, where J0 is a... Problem 65P: A long, hollow conducting pipe of radius R carries a uniform current I along the pipe, as shown in... Problem 66P: A solenoid used in a plasma physics experiment is 10 cm in diameter, is 1.0 m long, and carries a... Problem 67P: A solenoid used in a plasma physics experiment is 10 cm in diameter, is 1.0 m long, and carries a... Problem 68P: You have 10 m of 0.50-mm-diameter copper wire and a battery capable of passing 15 A through the... Problem 69P Problem 70P: The largest lightning strikes have peak currents of around 250 kA, flowing in essentially... Problem 71P: A coaxial cable (see Fig. 26.47) consists of a 1.0-mm-diameter inner conductor and a 0.20-mm-thick... Problem 72P Problem 73P Problem 74P: A circular wire loop of radius 15 cm and negligible thickness carries a 2.0-A current. Use suitable... Problem 75P Problem 76P: A long, hollow conducting pipe of radius R and length l carries a uniform current I flowing around... Problem 77P: A solid conducting wire of radius R runs parallel to the z-axis and carries a current density given... Problem 78P: A disk of radius a carries uniform surface charge density and rotates with angular speed about the... Problem 79P: Youre developing a system to orient an orbiting telescope. The system uses three perpendicular... Problem 80P Problem 81P Problem 82P: Find an expression for the magnetic field at the center of a square loop of side a carrying current... Problem 83P Problem 84P: A magnetic dipole = is on the axis of a circular current loop of radius a oriented as shown in... Problem 85P Problem 86P: Derive Equation 26.20 by considering the current sheet to be made of infinitely many infinitesimal... Problem 87P: Your roommate is sold on magnet therapy, a sham treatment using small bar magnets attached to the... Problem 88PP: A toroid is a solenoid-like coil bent into a circle (Fig. 26.52a). Toroids are the configuration of... Problem 89PP: A toroid is a solenoid-like coil bent into a circle (Fig. 26.52a). Toroids are the configuration of... Problem 90PP: A toroid is a solenoid-like coil bent into a circle (Fig. 26.52a). Toroids are the configuration of... Problem 91PP: A toroid is a solenoid-like coil bent into a circle (Fig. 26.52a). Toroids are the configuration of... format_list_bulleted