PHYSICS F/SCI.+ENGR.,CHAPTERS 1-37
5th Edition
ISBN: 9780134378060
Author: GIANCOLI
Publisher: RENT PEARS
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Textbook Question
Chapter 21, Problem 34P
(II) Determine the direction and magnitude of the electric field at the point Ρ in Fig. 21–57. The charges are separated by a distance 2a, and point Ρ is a distance x from the midpoint between the two charges. Express your answer in terms of Q, x, a, and k.
FIGURE 21–57
Problem 35.
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Check out a sample textbook solutionStudents have asked these similar questions
(II) You are given two unknown point charges, Q1 and Q2 .
At a point on the line joining them, one-third of the way
from Q to Q2 , the electric field is zero (Fig. 16–59). What
is the ratio Q1/Q2?
E= 0
Qi 3
Q2
FIGURE 16–59
Problem 34.
l-
Consider the electric field at the three points indicated by
the letters A, B, and C in Fig. 16–49. First draw an arrow
at each point indicating the direction of the net force that
a positive test charge would experience if placed at that
point, then list the letters in order of decreasing field
strength (strongest first). Explain.
B,
FIGURE 16–49 Question 17.
(II) Two point charges, Q1 = -32 µC and Q2 = +45 µC,
are separated by a distance of 12 cm. The electric field at the
point P (see Fig. 16–57) is zero. How far from Qj is P?
Q1
Q2
12 cm
P
-32 μC
+45 µC
FIGURE 16-57 Problem 32.
Chapter 21 Solutions
PHYSICS F/SCI.+ENGR.,CHAPTERS 1-37
Ch. 21.5 - Return to the Chapter-Opening Question, page 559,...Ch. 21.5 - Prob. 1BECh. 21.5 - Determine the magnitude and direction of the net...Ch. 21.5 - (a) Consider two point charges of the same...Ch. 21.6 - Four charges of equal magnitude, but possibly...Ch. 21 - If you charge a pocket comb by rubbing it with a...Ch. 21 - Why does a shirt or blouse taken from a clothes...Ch. 21 - Explain why fog or rain droplets tend to form...Ch. 21 - A positively charged rod is brought close to a...Ch. 21 - Why does a plastic ruler that has been rubbed with...
Ch. 21 - Contrast the net charge on a conductor to the free...Ch. 21 - Figures 217 and 218 show how a charged rod placed...Ch. 21 - When an electroscope is charged, the two leaves...Ch. 21 - Prob. 9QCh. 21 - Prob. 10QCh. 21 - The form of Coulombs law is very similar to that...Ch. 21 - We are not normally aware of the gravitational or...Ch. 21 - What experimental observations mentioned in the...Ch. 21 - When a charged ruler attracts small pieces of...Ch. 21 - Explain why the test charges we use when measuring...Ch. 21 - When determining an electric field, must we use a...Ch. 21 - Draw the electric field lines surrounding two...Ch. 21 - Assume that the two opposite charges in Fig. 2134a...Ch. 21 - Consider the electric field at the three points...Ch. 21 - Why can electric field lines never cross?Ch. 21 - Prob. 21QCh. 21 - Given two point charges, Q and 2Q, a distance ...Ch. 21 - Suppose the ring of Fig. 2128 has a uniformly...Ch. 21 - Consider a small positive test charge located on...Ch. 21 - We wish to determine the electric field at a point...Ch. 21 - In what ways does the electron motion in Example...Ch. 21 - Explain why there can be a net force on an...Ch. 21 - Describe the motion of the dipole shown in Fig....Ch. 21 - Prob. 1MCQCh. 21 - Prob. 2MCQCh. 21 - Prob. 3MCQCh. 21 - Prob. 4MCQCh. 21 - Prob. 5MCQCh. 21 - Prob. 6MCQCh. 21 - Prob. 7MCQCh. 21 - Prob. 8MCQCh. 21 - Prob. 9MCQCh. 21 - Prob. 10MCQCh. 21 - Prob. 11MCQCh. 21 - Prob. 12MCQCh. 21 - (I) What is the magnitude of the electric force of...Ch. 21 - Prob. 2PCh. 21 - Prob. 3PCh. 21 - Prob. 4PCh. 21 - Prob. 5PCh. 21 - Prob. 6PCh. 21 - Prob. 7PCh. 21 - Prob. 8PCh. 21 - Prob. 9PCh. 21 - (II) Compare the electric force holding the...Ch. 21 - (II) Two positive point charges are a fixed...Ch. 21 - Prob. 12PCh. 21 - Prob. 13PCh. 21 - Prob. 14PCh. 21 - Prob. 15PCh. 21 - (II) Two negative and two positive point charges...Ch. 21 - Prob. 17PCh. 21 - Prob. 18PCh. 21 - Prob. 19PCh. 21 - Prob. 20PCh. 21 - (III) Two positive charges +Q are affixed rigidly...Ch. 21 - Prob. 22PCh. 21 - Prob. 23PCh. 21 - Prob. 24PCh. 21 - Prob. 25PCh. 21 - Prob. 26PCh. 21 - Prob. 27PCh. 21 - Prob. 28PCh. 21 - Prob. 29PCh. 21 - (II) A long uniformly charged thread (linear...Ch. 21 - Prob. 31PCh. 21 - Prob. 32PCh. 21 - Prob. 33PCh. 21 - (II) Determine the direction and magnitude of the...Ch. 21 - Prob. 35PCh. 21 - (II) A very thin line of charge lies along the x...Ch. 21 - (II) (a) Determine the electric field E at the...Ch. 21 - (II) Draw, approximately, the electric field lines...Ch. 21 - (II) Two parallel circular rings of radius R have...Ch. 21 - (II) You are given two unknown point charges, Q1...Ch. 21 - Prob. 41PCh. 21 - (II) (a) Two equal charges Q are positioned at...Ch. 21 - (II) At what position, x = xM, is the magnitude of...Ch. 21 - (II) The uniformly charged straight wire in...Ch. 21 - (II) Determine the direction and magnitude of the...Ch. 21 - (II) Use your result from Problem 46 to find the...Ch. 21 - (II) A thin rod bent into the shape of an arc of a...Ch. 21 - (III) Suppose a uniformly charged wire starts at...Ch. 21 - Prob. 50PCh. 21 - (III) A thin rod of length carries a total charge...Ch. 21 - (III) Uniform plane of charge. Charge is...Ch. 21 - Prob. 53PCh. 21 - Prob. 54PCh. 21 - Prob. 55PCh. 21 - Prob. 56PCh. 21 - Prob. 57PCh. 21 - (II) A positive charge q is placed at the center...Ch. 21 - (II) A dipole consists of charges +e and e...Ch. 21 - (II) The HCl molecule has a dipole moment of about...Ch. 21 - (II) An electric dipole, of dipole moment p and...Ch. 21 - (II) Suppose both charges in Fig. 2145 (for a...Ch. 21 - (III) Suppose a dipole p is placed in a nonuniform...Ch. 21 - Prob. 64PCh. 21 - Prob. 65PCh. 21 - How close must two electrons be if the electric...Ch. 21 - Prob. 67GPCh. 21 - A water droplet of radius 0.018 mm remains...Ch. 21 - Estimate the net force between the CO group and...Ch. 21 - Suppose that electrical attraction, rather than...Ch. 21 - In a simple model of the hydrogen atom, the...Ch. 21 - A positive point charge Q1 = 2.5 105 C is fixed...Ch. 21 - When clothes are removed from a dryer, a 40-g sock...Ch. 21 - Dry air will break down and generate a spark if...Ch. 21 - Prob. 76GPCh. 21 - Packing material made of pieces of foamed...Ch. 21 - One type of electric quadrupole consists of two...Ch. 21 - Suppose electrons enter a uniform electric field...Ch. 21 - Prob. 80GPCh. 21 - Three very large square planes of charge are...Ch. 21 - Prob. 82GPCh. 21 - Prob. 83GPCh. 21 - Prob. 84GPCh. 21 - Prob. 85GPCh. 21 - A one-dimensional row of positive ions, each with...Ch. 21 - Prob. 87GPCh. 21 - Prob. 88GPCh. 21 - Prob. 89GPCh. 21 - Prob. 90GPCh. 21 - Prob. 91GPCh. 21 - Prob. 92GP
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- Determine the direction and magnitude of the electric field at point P, Fig. 16–69. The two charges are separated by a dis- tance of 2a. Point Pis on the perpendicular bisector of the line joining the charges, a distance x from the midpoint between them. Express your answers in terms of Q, x, a, and k. +Q FIGURE 16–69 a -Q Problem 66.arrow_forward(II) A large electroscope is made with "leaves" that are 78-cm-long wires with tiny 21-g spheres at the ends. When charged, nearly all the charge resides on the spheres. If the wires each make a 26° angle with the vertical (Fig. 16–55), what total charge Q must have been applied to the electroscope? Ignore the mass of the wires. 26°126 78 cm 78 cm FIGURE 16–55 Problem 16.arrow_forward(II) Two point charges, Q₁ = -25 μC and Q2 = +45 μC, are separated by a distance of 12 cm. The electric field at the point P (see Fig. 21-58) is zero. How far from Q₁ is P? 21 -25 μC FIGURE 21-58 Problem 36. P X 12 cm 22 +45 μCarrow_forward
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