 21.4Q: Two loops of wire are moving in the vicinity of a very long straigh...
 21.5P: A 12.0cmdiameter loop of wire is initially oriented perpendicular...
 21.5Q: Suppose you are looking along a line through the centers of two cir...
 21.7Q: In situations where a small signal must travel over a distance, a s...
 21.8Q: What is the advantage of placing the two insulated electric wires c...
 21.8P: (II) (a) If the resistance of the resistor in Fig. 21–60 is slowly ...
 21.1P: The magnetic flux through a coil of wire containing two loops chang...
 21.11Q: Will an eddy current brake (Fig. 21–20) work on a copper or aluminu...
 21.12P: (II) The moving rod in Fig. 21–11 is 12.0 cm long and is pulled at ...
 21.3P: (I) The north pole of the magnet in Fig. 21–57 is being inserted in...
 21.3Q: Suppose you are holding a circular ring of wire in front of you and...
 21.4P: A 9.6cmdiameter circular loop of wire is in a 1.10T magnetic fie...
 21.6P: A 10.2cmdiameter wire coil is initially oriented so that its plan...
 21.6Q: In Fig. 21–49, determine the direction of the induced current in re...
 21.7P: A 15cmdiameter circular loop of wire is placed in a 0.50T magnet...
 21.10Q: Use Figs. 21–15 and 21–17 plus the righthand rules to show why the...
 21.11P: The magnetic field perpendicular to a circular wire loop 12.0 cm in...
 21.13Q: The pivoted metal bar with slots in Fig. 21–50 falls much more quic...
 21.9P: What is the direction of the induced current in the circular loop d...
 21.9Q: Explain why, exactly, the lights may dim briefly when a refrigerato...
 21.10P: (I) If the solenoid in Fig. 21–59 is being pulled away from the loo...
 21.1Q: What would be the advantage, in Faraday’s experiments (Fig. 21–1), ...
 21.2P: (I) The rectangular loop in Fig. 21–58 is being pushed to the right...
 21.2Q: What is the difference between magnetic flux and magnetic field?
 21.12Q: It has been proposed that eddy currents be used to help sort solid ...
 21.13P: A circular loop in the plane of the paper lies in a 0.75T magnetic...
 21.1: 1. (I) The magnetic flux through a coil of wire containing two loop...
 21.2: 2. (I) The rectangular loop shown in Fig. 2146 is pushed into the ...
 21.3: 3. (I) The north pole of the magnet in Fig. 2147 is being inserted...
 21.4: 4. (I) A 9.6cmdiameter circular loop of wire is in a 1.10T magne...
 21.5: 5. (I) A 12.0cmdiamcter loop of wire is initially oriented perpen...
 21.6: 6. (II) A 10.2cmdiameter wire coil is initially oriented so that ...
 21.7: 7. (II) A 15cmdiameler circular loop of wire is placed in a 0.50...
 21.8: 8. (II) (a) If the resistance of the resistor in Fig. 2148 is slow...
 21.9: 9. (II) What is the direction of the induced current in the circula...
 21.10: 10. (II) If the solenoid in Fig. 2150 is being pulled away from th...
 21.11: 11. (II) The magnetic field perpendicular to a circular wire loop 1...
 21.12: 12. (II) The moving rod in Fig. 2112 is 12.0 cm long and is pulled...
 21.13: 13. (II) A circular loop in the plane of the paper lies in a 0.75T...
 21.14: 14. (II) The moving rod in Fig. 2112 is 13.2 cm long and generates ...
 21.15: 15. (II) Part of a single rectangular loop of wire with dimensions ...
 21.16: 16. (II) A 500turn solenoid. 25 cm long, has a diameter of 2.5 cm....
 21.17: 17. (II) In Fig. 2112. the rod moves with a speed of 1.6 m/s, is 3...
 21.18: 18. (Ill) A 22.0cmdiameter coil consists of 20 turns of circular ...
 21.19: 19. (Ill) The magnetic field perpendicular to a single 13.2cmdiam...
 21.20: 20. (I) A simple generator is used to generate a peak output voltag...
 21.21: 21. (II) The generator of a car idling at 1100 rpm produces 12.4 V....
 21.22: 22. (II) Show that the rms output_(Section 187) of an ac generator ...
 21.23: 23. (II) A simple generator has a 320loop square coil 21.0 cm on a...
 21.24: 24. (II) A 450loop circular armature coil with a diameter of 8.0 c...
 21.25: 25. (II) A generator rotates at 85 Hz in a magnetic field of 0.030 ...
 21.26: 26. (I) A motor has an armature resistance of 3.25 Cl. If it draws ...
 21.27: 27. (I) The back emf in a motor is 72 V when operating at 1800 rpm....
 21.28: 28. (II) The back emf in a motor is 95 V when the motor is operatin...
 21.29: 29. (II) What will be the current in the motor of Example 21 9 if ...
 21.30: 30. (I) A transformer is designed to change 120 V into 10.000 V. an...
 21.31: 31. (I) A transformer has 320 turns in the primary coil and 120 in ...
 21.32: 32. (I) A stepup transformer increases 25 V' to 120 V. What is the...
 21.33: 33. (I) Neon signs require 12 kV for their operation. To operate fr...
 21.34: 34. (II) A modeltrain transformer plugs into 120V ac and draws 0....
 21.35: 35. (II) TTie output voltage of a 95W transformer is 12 V. and the...
 21.36: 36. (II) A transformer has 330 primary turns and 1340 secondary tur...
 21.37: 37. (II) If 30 MW of power at 45 kV (rms) arrives at a town from a ...
 21.38: 38. (Ill) 65 kW is to arrive at a town over two 0.10011 lines. Est...
 21.39: *39. (I) If the current in a 180mH coil changes steadily from 25.0...
 21.40: * 40. (I) What is the inductance of a coil if the coil produces an ...
 21.41: *41. (I) What is the inductance L of a 0.60mlong airfilled coil ...
 21.42: * 42. (I) How many turns of wire would be required to make a 130mH...
 21.43: * 43. (II) An airfilled cylindrical inductor has 2800 turns, and i...
 21.44: *44. (II) A coil has 2.25Cl resistance and 440mH inductance. If t...
 21.45: *45. (Ill) A long thin solenoid of length / and crosssectional are...
 21.46: * 46. (Ill) The wire of a tightly wound solenoid is unwound and use...
 21.47: *47. (I) The magnetic field inside an airfilled solenoid 36 cm lon...
 21.48: * 48. (II) At a given instant the current through an inductor is 50...
 21.49: 49. (II) Assuming the F.arth's magnetic field averages about 0.50 X...
 21.50: 50. (II) Determine A//Af at / = 0 (when the battery is connected) f...
 21.51: 51. (Ill) After how many time constants does the current in Fig. 21...
 21.52: 52. (Ill) Two tightly wound solenoids have the same length and circ...
 21.53: 53. (I) What is the reactance of a 7.20^iF capacitor at a frequenc...
 21.54: 54. (I) At what frequency will a 22.0mH inductor have a reactance ...
 21.55: 55. (I) At what frequency will a 2.40/xF capacitor have a reactanc...
 21.56: 56. (II) Plot a graph of the reactance of a 1.0juF capacitor as a ...
 21.57: 57. (II) Plot a graph of the reactance of a 1.0mH inductor as a fu...
 21.58: 58. (II) Calculate the reactance of. and rms current in. a 160mH r...
 21.59: 59. (II) An inductance coil operates at 240 V and 60.0 Hz. It draws...
 21.60: 60. (II) (a) What is the reactance of a wellinsulated 0.030/xF ca...
 21.61: *61. (I) A 30kll resistor is in series with a 45mH inductor and a...
 21.62: * 62. (I) A 3.5kll resistor and a 4.0yu.F capacitor are connected...
 21.63: * 63. (I) For a 120V rms 60Hz voltage, an rms current of 70 mA pa...
 21.64: 64. (II) What is the resistance of a coil if its impedance is 23511...
 21.65: *65. (II) What are the total impedance, phase angle, and rms curren...
 21.66: * 66. (Ill) A 2.5kll resistor in series with a 420mH inductor is ...
 21.67: * 67. (Ill) (n) What is the rms current in an RL circuit when a 60....
 21.68: *68. (Ill) (a) What is the rms current in an RC circuit if R = 8.80...
 21.69: *69. (I) A 3500pF capacitor is connected to a 55.0^tH coil of res...
 21.70: * 70. (I) The variable capacitor in the tuner of an AM radio has a ...
 21.71: 71. (II) An LRC circuit has L = 14.8 mH and R = 4.4011. (a) What va...
 21.72: 72. Suppose you are looking at two current loops in the plane of th...
 21.73: 73. A square loop 24.0 cm on a side has a resistance of 5.2011. It ...
 21.74: 74. A highintensity desk lamp is rated at 45 W but requires only 1...
 21.75: 75. Power is generated at 24 kV at a generating plant located 118 k...
 21.76: 76. The primary windings of a transformer which has an 80% efficien...
 21.77: 77. A pair of power transmission lines each have a 0.8011 resistan...
 21.78: 78. Two resistanceless rails rest 32 cm apart on a 6.0U ramp. They ...
 21.79: 79. Show that the power loss in transmission lines. PL. is given by...
 21.80: 80. A coil with 150 turns, a radius of 5.0cm, and a resistance of 1...
 21.81: 81. A certain electronic device needs to be protected against sudde...
 21.82: 82. A 25turn 12.5cmdiameter coil is placed between the pole piec...
 21.83: * 83. Calculate the peak output voltage of a simple generator whose...
 21.84: * 84. Typical large values for electric and magnetic fields attaine...
 21.85: * 85. What is the inductance L of the primary of a transformer whos...
 21.86: * 86. A 130mH coil whose resistance is 18.5 11 is connected to a c...
 21.87: * 87. An inductance coil draws 2.5A dc when connected to a 36V ba...
 21.88: *88. A 135mH inductor with 2.011 resistance is connected in serie...
 21.89: * 89. The Q factor of a resonance circuit can be defined as the rat...
Solutions for Chapter 21: Physics: Principles with Applications 6th Edition
Full solutions for Physics: Principles with Applications  6th Edition
ISBN: 9780321569837
Solutions for Chapter 21
Get Full SolutionsThis textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. This expansive textbook survival guide covers the following chapters and their solutions. Since 115 problems in chapter 21 have been answered, more than 193917 students have viewed full stepbystep solutions from this chapter. Chapter 21 includes 115 full stepbystep solutions. Physics: Principles with Applications was written by and is associated to the ISBN: 9780321569837.

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