Pearson eText for College Physics: Expl...2nd EditionEugenia Etkina, Gorazd Planinsic Publisher: PEARSON+ISBN: 9780137443000
Pearson eText for College Physics: Expl...
Solutions for Pearson eText for College Physics: Explore and Apply -- Instant Access (Pearson+)
Problem 1RQ:
Review Question 18.1 How do you estimate the direction of the E field at a point located near two...Problem 2RQ:
Review Question 18.2 You have a point-like object with charge + Q on the left and a second object...Problem 3RQ:
Review Question 18.3 Compare the work needed to move an object with charge q from point A to point B...Problem 4RQ:
Review Question 18.4 Imagine that you have an electric field in some large region of space. The...Problem 5RQ:
Review Question 18.5 In this section you read that the E field inside the conductor is always zero....Problem 6RQ:
Review Question 18.6 What are the differences between conducting and dielectric materials when they...Problem 7RQ:
Review Question 18.7 A parallel plate capacitor has two oppositely charged plates, each producing...Problem 1MCQ:
1 What does the field at point A, which is a distance d from the source charge, depend on? (More...Problem 2MCQ:
Why can you shield an object from an external electric field using a conductor? a. There are freely...Problem 3MCQ:
If you place a block made of a conducting material in an external uniform electric field E0 so that...Problem 4MCQ:
4. If you place a block made of a dielectric material in an external uniform electric field so that...Problem 5MCQ:
5. Two identical positive charges are located at a distance d from each other. Where are both the ...Problem 6MCQ:
An electric dipole is placed between the oppositely charged plates as shown in Figure Q18.6. At...Problem 7MCQ:
7. A positive charge is fixed at some distance d from the origin of the z-axis, as shown in Figure...Problem 8MCQ:
Figure Q18.8 shows E field lines in a region of space Select two correct statements about the E...Problem 9CQ:
How do we use the model of the electric field to explain the interaction between charges?Problem 12CQ:
A very small positive charge is placed at one point in space. There is no electric force exerted on...Problem 13CQ:
13. How do we create an E field with parallel lines and uniform density (equally spaced)?
Problem 14CQ:
14. Draw a sketch of the field lines caused by (a) two positive charges of the same magnitude, (b)...Problem 15CQ:
15. Draw a sketch of the field lines caused by (a) a positive and a negative charge of the same...Problem 16CQ:
16. Jim thinks that E field lines are the paths that test charges would follow if placed in the E...Problem 17CQ:
Can E field lines cross? Explain why or why not.Problem 18CQ:
An electron moving horizontally from left to right across the page enters a uniform E field that...Problem 19CQ:
19. (a) What does it mean if the electric potential at a certain point in space is 10 V? (b) What...Problem 20CQ:
20. Explain how grounding works.
Problem 21CQ:
21. Explain how shielding works.
Problem 22CQ:
22. Explain the difference between the microscopic structures of polar and of nonpolar dielectric...Problem 23CQ:
Explain why, for charged objects submerged in a dielectric material, the electric force they exert...Problem 25CQ:
What is the dielectric constant of a metal?Problem 27CQ:
If the V field in a region is constant, what is the E field in this region? If the E field is...Problem 29CQ:
29. Draw equipotential surfaces and label them in order of decreasing potential for (a) one positive...Problem 30CQ:
Show a charge arrangement and a point in space where the potential produced by the charges is zero...Problem 31CQ:
31. Explain what happens when you place a conductor in an external electric field. How can you test...Problem 32CQ:
(a) Explain what happens when you place a dielectric material in an external electric field. How can...Problem 33CQ:
33. Explain why the excess charge on an electrical conducting material is located on its surface.
Problem 34CQ:
Draw a microscopic representation of the charge distribution in two identical conducting plates that...Problem 1P:
1. * (a) Construct a graph of the magnitude of the field-versus-position for the field created by...Problem 2P:
* A uranium nucleus has 92 protons. (a) Determine the magnitude of the E field at a distance of...Problem 3P:
3. The electron and the proton in a hydrogen atom are about 10-10 m from each other. What quantities...Problem 4P:
* Use the superposition principle to draw E field lines for the two objects whose charges are given....Problem 5P:
5. * Use the superposition principle to draw field lines for the following objects whose charges...Problem 6P:
* E field lines for a field created by an arrangement of charged objects are shown in Figure P18.6....Problem 7P:
7. * Two objects with charges C are 50 cm from each other. Find a location where the field due to...Problem 8P:
8. * charged object is 6.0 cm along a horizontal line toward the right of a charged object...Problem 9P:
9. ** charged object is 4.0 cm along a horizontal line toward the right of a charged object....Problem 10P:
10. **A distance d separates two objects, each with charge . Determine an expression for the field...Problem 11P:
11. * A point-like charged object with a charge + q is placed in an external horizontal uniform...Problem 12P:
12. * A 3.0-g aluminum foil ball with a charge of is suspended on a string in a uniform horizontal ...Problem 13P:
13. ** (a) If the string in the previous problem is cut, how long will it take the ball to fall to...Problem 14P:
* EST Using Earths E field for flight Earth has an electric charge on its surface that produces a...Problem 15P:
* An electron moving with a speed v0 enters a region where an E field points in the same direction...Problem 16P:
10-9 C hangs freely from a 1.0-m-long thread. What happens to the ball when a horizontal 5000N/CE...Problem 17P:
17. A 0.50-g oil droplet with charge is in a vertical field. In what direction should the field...Problem 19P:
19. * Equation Jeopardy 1 The equations below describe one or more physical processes. Solve the...Problem 20P:
* Equation Jeopardy 2 The equations below describe one or more physical processes Solve the...Problem 21P:
21. During a lightning flash. of charge moves through a potential difference of Determine the...Problem 22P:
22. * (a) Construct a graph of the V field created by a point-like object with charge + Q,...Problem 23P:
* A horizontal distance d separates two objects each with charge +q. Determine the value of the...Problem 24P:
* Two objects with charges qand+q are separated by a distance d. Determine an expression for the V...Problem 25P:
* Four objects with the same charge q are placed at the corners of a square of side d. Determine the...Problem 26P:
26. Spark jumps to nose An electric spark jumps from a person's finger to your nose. While passing...Problem 27P:
27. * Two charged point-like objects are separated by 0.20 m. Determine the potential (assuming...Problem 28P:
BIO Electric field in body cell The electric potential difference across the membrane of a body cell...Problem 30P:
* Equation Jeopardy 3 The equation below describes one or more physical processes. Solve the...Problem 31P:
31. * Equation Jeopardy 4 The equation below describes one or more physical situations. Solve the...Problem 32P:
32. * While a sphere with positive charge remains fixed, a second sphere with positive charge is...Problem 33P:
33. * Figure P18.33 shows field lines in a region of space Note that the distances between A and B,...Problem 34P:
34. * A metal sphere has no charge on it. A positively charged object is brought near, but does not...Problem 35P:
35. ** EST A Van de Graaff generator of radius 0.10 m has a charge of about on it. The Van de...Problem 36P:
** A metal ball of radius R1 has a charge Q. Later it is connected to a neutral metal ball of radius...Problem 37P:
37. * Positively charged metal sphere A is placed near metal sphere B. B has a very small positive...Problem 38P:
*Two small metal spheres A and B have different electric potentials (A has a higher potential)....Problem 39P:
39. * An electric dipole such as a water molecule is in a uniform field. (a) Will the force exerted...Problem 40P:
10-7C at its head and an equal magnitude negative charge -q at its tail (see Figure P18.40 )....Problem 41P:
41. BIO Body cell membrane electric field (a) Determine the average magnitude of the field across a...Problem 42P:
42. ** Earth's electric field Earth has an electric charge of approximately distributed relatively...Problem 43P:
43. You have a parallel plate capacitor. (a) Determine the average field between the plates if a...Problem 44P:
44. * A capacitor of capacitance C with a vacuum between the plates is connected to a source of...Problem 45P:
45. * A capacitor of capacitance C with a vacuum between the plates is connected to a source of...Problem 46P:
How does the capacitance of a parallel plate capacitor change if you double the magnitude of the...Problem 47P:
BIO EST Axon capacitance The long thin cylindrical axon of a nerve carries nerve impulses. The axon...Problem 48P:
48. ** Sphere capacitance A metal sphere of radius R has an electric charge + q on it. Determine an...Problem 50P:
* BIO EST Capacitance of red blood cell Assume that a red blood cell is spherical with a radius of...Problem 51P:
BIO Defibrillator During ventricular fibrillation the heart muscles contract randomly, preventing...Problem 52P:
* EST The dielectric strength of air is 3106V/m. As you walk across a synthetic rug, your body...Problem 53P:
* Charged cloud causes electric field on Earth The electric charge of clouds is a complex subject....Problem 54P:
*BIO Hearts dipole charge The heart has a dipole charge distribution with a charge of +1.0107C that...Problem 55GP:
55. * In a hot water heater, water warms when electric potential energy is converted into thermal...Problem 56GP:
56. ** EST Lightning warms water A lightning flash occurs when of charge moves from a cloud to...Problem 57GP:
57 * Four charged particles A, B, C, and D are placed in an electric field as shown in Figure...Problem 59GP:
59. ** A small object of unknown mass and charge Is tied to an Insulating string that is connected...Problem 61GP:
61. * BIO Electrophoresis Electrophoresis is used to separate biological molecules of different...Problem 62GP:
62. * BIO Energy stored in axon electric field An axon has a surface area of and the membrane is ...Problem 63RPP:
BIO Electric discharge by eels In several aquatic animals such as the South American electric eel...Problem 64RPP:
BIO Electric discharge by eels In several aquatic animals such as the South American electric eel...Problem 65RPP:
BIO Electric discharge by eels In several aquatic animals such as the South American electric eel...Problem 66RPP:
BIO Electric discharge by eels In several aquatic animals such as the South American electric eel...Problem 67RPP:
BIO Electric discharge by eels In several aquatic animals such as the South American electric eel...Problem 68RPP:
BIO Electric discharge by eels In several aquatic animals such as the South American electric eel...Problem 69RPP:
Electrostatic precipitator (esp) Electrostatic precipitators are a common form of air-cleaning...Problem 70RPP:
Electrostatic precipitator (esp) Electrostatic precipitators are a common form of air-cleaning...Problem 71RPP:
Electrostatic precipitator (esp) Electrostatic precipitators are a common form of air-cleaning...Browse All Chapters of This Textbook
Chapter 2 - Kinematics: Motion In One DimensionChapter 3 - Newtonian MechanicsChapter 4 - Applying Newton’s LawsChapter 5 - Circular MotionChapter 6 - Impulse And Linear MomentumChapter 7 - Work And EnergyChapter 8 - Extended Bodies At RestChapter 9 - Rotational MotionChapter 10 - Vibrational MotionChapter 11 - Mechanical Waves
Chapter 12 - GasesChapter 13 - Static FluidsChapter 14 - Fluids In MotionChapter 15 - First Law Of ThermodynamicsChapter 16 - Second Law Of ThermodynamicsChapter 17 - Electric Charge, Force, And EnergyChapter 18 - The Electric FieldChapter 19 - Dc CircuitsChapter 20 - MagnetismChapter 21 - Electromagnetic InductionChapter 22 - Reflection And RefractionChapter 23 - Mirrors And LensesChapter 24 - Wave OpticsChapter 25 - Electromagnetic WavesChapter 26 - Special RelativityChapter 27 - Quantum OpticsChapter 28 - Atomic PhysicsChapter 29 - Nuclear PhysicsChapter 30 - Particle Physics
Sample Solutions for this Textbook
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Chapter 2, Problem 1RQChapter 3, Problem 1RQChapter 4, Problem 1RQChapter 5, Problem 1RQChapter 6, Problem 1RQChapter 7, Problem 1RQIntroduction: Center of mass is a point where the complete mass of any object is said to be...Chapter 9, Problem 1RQChapter 10, Problem 1RQ
Chapter 11, Problem 1RQIntroduction: The following mechanisms can be logically constructed to understand the reason behind...Chapter 13, Problem 1RQIntroduction: Bernoulli’s principle states that fluids moving at a faster velocity have lesser...Chapter 15, Problem 1RQIntroduction: Energy of an isolated system, such as the universe always remains constant, as stated...Chapter 17, Problem 1RQChapter 18, Problem 1RQChapter 19, Problem 1RQChapter 20, Problem 1RQChapter 21, Problem 1RQIntroduction: Experimentally, it has been observed that, the projection on the wall will be upside...Chapter 23, Problem 1RQChapter 24, Problem 1RQChapter 25, Problem 1RQChapter 26, Problem 1RQIntroduction: Planck’s hypothesis stated that an accelerated charged particle can radiate an...Introduction: The Rutherford atomic model is also known as the planetary or nuclear model of an...Introduction: Rutherford, in 1899, conducted an experiment in which he set up two parallel metal...Introduction: Beta decay is referred to as the transformation of protons into neutrons and...
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