 20.1Q: A compass needle is not always balanced parallel to the Earth's sur...
 20.3Q: In what direction are the magnetic field lines surrounding a straig...
 20.4Q: A horseshoe magnet is held vertically with the north pole on the le...
 20.5Q: Will a magnet attract any metallic object, such as those made of al...
 20.6Q: Two iron bars attract each other no matter which ends are placed cl...
 20.7Q: The magnetic field due to current in wires in your home can affect ...
 20.8P: (II) Suppose a straight 1.00mmdiameter copper wire could just "fl...
 20.8Q: If a negatively charged particle enters a region of uniform magneti...
 20.9Q: In Fig. 2047, charged particles move in the vicinity of a current...
 20.10Q: Three particles, a. b. and c, enter a magnetic field and follow pat...
 20.11Q: A positively charged particle in a nonuniform magnetic field follow...
 20.12Q: Can an iron rod attract a magnet? Can a magnet attract an iron rod?...
 20.13P: An electron is projected vertically upward with a speed of 1.70 × 1...
 20.13Q: Explain why a strong magnet held near a CRT television screen (Sect...
 20.14P: (II) A 1 ,5MeV (kinetic energy) proton enters a 0.30T field, in a...
 20.14Q: Suppose you have three iron rods, two of which are magnetized but t...
 20.15P: (II) An electron experiences the greatest force as it travels 2.8 X...
 20.15Q: Can you set a resting electron into motion with a magnetic field? W...
 20.16Q: A charged particle is moving in a circle under the influence of a u...
 20.18P: (Ill) A proton (mass m p ), a deuteron (m =2mp.Q =e). and an alpha ...
 20.20Q: A charged particle moves in a straight line through a particular re...
 20.26Q: A horizontal currentcarrying wire, free to move in Earth's gravita...
 20.21Q: If a moving charged particle is deflected sideways in some region o...
 20.27Q: Why will either pole of a magnet attract an unmagnetized piece of i...
 20.28Q: An unmagnetized nail will not attract an unmagnetized paper clip. H...
 20.29Q: Two ions have the same mass, but one is singly ionized and the othe...
 20.30Q: What would be the effect on B inside a long solenoid if (a) the dia...
 20.31Q: A type of magnetic switch similar to a solenoid is a relay (Fig. 20...
 20.44P: Two long straight parallel wires are 15 cm apart. Wire A carries 2....
 20.52P: (Ill) A toroid is a solenoid in the shape of a donut (Fig. 2060). ...
 20.53P: (III) (a) Use ampere’s law to show that the magnetic field between ...
 20.57P: (I) If the current to a motor drops by 12%, by what factor does the...
 20.61P: (I) In a mass spectrometer, germanium atoms have radii of curvature...
 20.1P: (a) What is the magnitude of the force per meter of length on a str...
 20.2P: Calculate the magnitude of the magnetic force on a 160m length of ...
 20.64P: (II) One form of mass spectrometer accelerates ions by a voltage V ...
 20.2Q: Draw the magnetic field lines around a straight section of wire car...
 20.3P: How much current is flowing in a wire 4.80 m long if the maximum fo...
 20.4P: A 1.5m length of wire carrying 4.5 A of current is oriented horizo...
 20.68GP: (II) A proton and an electron have the same kinetic energy upon ent...
 20.5P: The force on a wire carrying 8.75 A is a maximum of 1.28 N when pla...
 20.71GP: Near the equator, the Earth's magnetic field points almost horizont...
 20.6P: The magnetic force per meter on a wire is measured to be only 35% o...
 20.7P: The force on a wire is a maximum of 6.50 × 10?2 N when placed betwe...
 20.9P: Alpha particles of charge q = +2e and mass m = 6.6 × 10?27 kg are e...
 20.78GP: Four very long straight parallel wires, located at the corners of a...
 20.79GP: Magnetic fields are very useful in particle accelerators for “beam ...
 20.10P: Determine the magnitude and direction of the force on an electron t...
 20.80GP: The magnetic field B at the center of a circular coil of wire carry...
 20.11P: Find the direction of the force on a negative charge for each diagr...
 20.83GP: (a) What value of magnetic field would make a beam of electrons, tr...
 20.12P: Determine the direction of for each case in Fig. 20–52, where repre...
 20.84GP: A proton follows a spiral path through a gas in a uniform magnetic ...
 20.87GP: An Electron enters a uniform magnetic field B = 0.23 T at a 45O ang...
 20.16P: What is the velocity of a beam of electrons that go undeflected whe...
 20.17P: A doubly charged helium atom whose mass is 6.6 × 10?27 kg is accele...
 20.17Q: The force on a particle in a magnetic field is the idea behind elec...
 20.18Q: A beam of electrons is directed toward a horizontal wire carrying a...
 20.19Q: Describe electric and/or magnetic fields that surround a moving ele...
 20.19P: Show that the time T required for a particle of charge q moving wit...
 20.20P: A particle of charge q moves in a circular path of radius r in a un...
 20.21P: A particle of mass m and charge q moves in a circular path in a mag...
 20.22P: Show that the angular momentum of the particle in is L = qBr2 about...
 20.22Q: In a particular region of space there is a uniform magnetic field ....
 20.23P: A 3.40g bullet moves with a speed of 160 m/s perpendicular to the ...
 20.23Q: How could you tell whether moving electrons in a certain region of ...
 20.24P: Suppose the Earth’s magnetic field at the equator has magnitude 0.4...
 20.24Q: How can you make a compass without using iron or other ferromagneti...
 20.25P: A proton moving with speed v = 2.0 × 105 m/s in a fieldfree region...
 20.25Q: Two long wires carrying equal currents I are at right angles to eac...
 20.26P: A jumper cable used to start a stalled vehicle carries a 65A curre...
 20.27P: If an electric wire is allowed to produce a magnetic field no large...
 20.28P: In Fig. 20–54, a long straight wire carries current I out of the pa...
 20.29P: A vertical straight wire carrying an upward 24A current exerts an ...
 20.30P: Determine the magnitude and direction of the force between two para...
 20.31P: An experiment on the Earth’s magnetic field is being carried out 1....
 20.32P: A power line carries a current of 95 A along the tops of 8.5mhigh...
 20.33P: Two long thin parallel wires 13.0 cm apart carry 25A currents in t...
 20.34P: A horizontal compass is placed 18 cm due south from a straight vert...
 20.36P: A straight stream of protons passes a given point in space at a rat...
 20.35P: A long horizontal wire carries 22.0 A of current due north. What is...
 20.37P: Determine the magnetic field midway between two long straight wires...
 20.38P: A long pair of wires conducts 25.0 A of dc current to, and from, an...
 20.39P: A third wire is placed in the plane of the two wires shown in Fig. ...
 20.40P: A compass needle points 23° E of N outdoors. However, when it is pl...
 20.41P: A rectangular loop of wire lies in the same plane as a straight wir...
 20.42P: A long horizontal wire carries a current of 48 A. A second wire, ma...
 20.43P: Two long wires are oriented so that they are perpendicular to each ...
 20.45P: Three long parallel wires are 3.8 cm from one another. (Looking alo...
 20.46P: In Fig. 20–60, determine the magnitude and direction of the magneti...
 20.47P: Let two long parallel wires, a distance d apart, carry equal curren...
 20.48P: A thin 12cmlong solenoid has a total of 420 turns of wire and car...
 20.49P: A 30.0 cm long solenoid 1.25 cm in diameter is to produce a field ...
 20.50P: A 550turn solenoid is 15 cm long. The current in it is 33 A. A 3.0...
 20.51P: You have 1.0 kg of copper and want to make a practical solenoid tha...
 20.54P: A single square loop of wire 22.0 cm on a side is placed with its f...
 20.55P: A galvanometer needle deflects full scale for a 53.0µA current.Wha...
 20.56P: If the restoring spring of a galvanometer weakens by 25% over the y...
 20.58P: Show that the magnetic dipole moment M of an electron orbiting the ...
 20.59P: A circular coil 16.0 cm in diameter and containing nine loops lies ...
 20.60P: Protons move in a circle of radius 5.10 cm in a 0.566T magnetic fi...
 20.62P: Suppose the electric field between the electric plates in the mass ...
 20.63P: A mass spectrometer is being used to monitor air pollutants. It is ...
 20.65P: A long thin solenoid has 430 loops of wire per meter, and a 25A cu...
 20.66P: An ironcore solenoid is 38 cm long and 1.8 cm in diameter, and has...
 20.67P: Protons with momentum 4.8 × 10?16kg·m/s are magnetically steered cl...
 20.69GP: The power cable for an electric trolley (Fig. 20–64) carries a hori...
 20.70GP: Calculate the force on an airplane which has acquired a net charge ...
 20.72GP: A doubly charged helium atom, whose mass is 6.6 × 10?27kg, is accel...
 20.73GP: A sort of “projectile launcher” is shown in Fig. 20–65. A large cur...
 20.74GP: In Fig. 20–60 the top wire is 1.00mmdiameter copper wire and is s...
 20.75GP: Two stiff parallel wires a distance l apart in a horizontal plane a...
 20.76GP: Estimate the approximate maximum deflection of the electron beam ne...
 20.77GP: Tire cyclotron (Fig. 20–67) is a device used to accelerate elementa...
 20.82GP: You want to get an idea of the magnitude of magnetic fields produce...
 20.81GP: Near the Earth’s poles the magnetic field is about 1 G (1 × 10?4 T)...
 20.85GP: A 32cmlong solenoid, 1.8 cm in diameter, is to produce a 0.30T m...
 20.86GP: Two long straight aluminum wires, each of diameter 0.50 mm, carry t...
 20.57PE: PE An old light bulb draws only 50.0 W, rather than its original 60...
 20.58PE: PE 00gauge copper wire has a diameter of 9.266 mm.Calculate the po...
 20.59PE: PE Integrated Concepts Cold vaporizers pass a current through water...
 20.60PE: Integrated Concepts (a) What energy is dissipated by a lightning bo...
 20.61PE: PE Integrated Concepts What current must be produced by a 12.0V ba...
 20.62PE: PE Integrated Concepts How much time is needed for a surgical caute...
 20.63PE: PE Integrated Concepts Hydroelectric generators (see Figure 20.43) ...
 20.64PE: PE Integrated Concepts (a) Assuming 95.0% efficiency for the conver...
 20.65PE: Integrated Concepts A lightrail commuter train draws 630 A of 650...
 20.66PE: PE Integrated Concepts (a) An aluminum power transmission line has ...
 20.67PE: PE Integrated Concepts 2 (a) An immersion heater utilizing 120 V ca...
 20.68PE: PE Integrated Concepts (a) What is the cost of heating a hot tub co...
 20.69PE: PE Unreasonable Results (a) What current is needed to transmit 1.00...
 20.71PE: PE Construct Your Own an electric immersion heater used to heat a c...
 20.73PE: PE Certain heavy industrial equipment uses AC power that has a peak...
 20.75PE: PE Military aircraft use 400Hz AC power, because it is possible to...
Solutions for Chapter 20: Physics: Principles with Applications 6th Edition
Full solutions for Physics: Principles with Applications  6th Edition
ISBN: 9780130606204
Solutions for Chapter 20
Get Full SolutionsThis expansive textbook survival guide covers the following chapters and their solutions. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. Chapter 20 includes 134 full stepbystep solutions. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. Since 134 problems in chapter 20 have been answered, more than 269241 students have viewed full stepbystep solutions from this chapter.

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