Fundamentals of Physics, Volume 1, Chapter 1-20
10th Edition
ISBN: 9781118233764
Author: David Halliday
Publisher: WILEY
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Chapter 29, Problem 10Q
To determine
To rank:
The paths, according to the value of
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10 Figure 29-33 shows four identical currents i and five Amperian
paths (a through e) encircling them. Rank the paths according to the
value of f B- ds taken in the directions shown, most positive first.
(a)
(b)
(c)
(d)
(e)
TR.
Four very long straight parallel wires, located at the corners
of a square of side l,
carry equal currents I
perpendicular to the
page as shown in
Fig. 20-64. Determine
the magnitude and
direction of B at the
center C of the square.
-l-
FIGURE 20-64
Problem 73.
3:
13.34. In Fig. 13-21 a radial conductor, 3 ≤ r ≤ 6 cm, is shown embedded in a rotating glass disk. Two 11.2 m2 resistors
complete two circuits. The disk turns at 12 rev/min. If the field at the disk is B = 0.30a, (T), calculate the electric
power generated. What is the effect of this on the rotation? Discuss Lenz's law as it applies to this problem.
an
R
Fig. 13-21
R
Chapter 29 Solutions
Fundamentals of Physics, Volume 1, Chapter 1-20
Ch. 29 - Prob. 1QCh. 29 - Prob. 2QCh. 29 - Prob. 3QCh. 29 - Prob. 4QCh. 29 - Prob. 5QCh. 29 - Prob. 6QCh. 29 - Prob. 7QCh. 29 - Prob. 8QCh. 29 - Prob. 9QCh. 29 - Prob. 10Q
Ch. 29 - Prob. 11QCh. 29 - A surveyor is using a magnetic compass 6.1 m below...Ch. 29 - Figure 29-35a shows an element of length ds = 1.00...Ch. 29 - SSM At a certain location in the Philippines,...Ch. 29 - Prob. 4PCh. 29 - Prob. 5PCh. 29 - Prob. 6PCh. 29 - Prob. 7PCh. 29 - Prob. 8PCh. 29 - Prob. 9PCh. 29 - Prob. 10PCh. 29 - Prob. 11PCh. 29 - Prob. 12PCh. 29 - Prob. 13PCh. 29 - Equation 29-4 gives the magnitude B of the...Ch. 29 - Prob. 15PCh. 29 - Prob. 16PCh. 29 - Prob. 17PCh. 29 - Prob. 18PCh. 29 - Prob. 19PCh. 29 - Prob. 20PCh. 29 - Prob. 21PCh. 29 - Prob. 22PCh. 29 - Prob. 23PCh. 29 - Prob. 24PCh. 29 - Prob. 25PCh. 29 - Prob. 26PCh. 29 - Prob. 27PCh. 29 - GO Figure 29.56a shows two wires, each carrying....Ch. 29 - Prob. 29PCh. 29 - Prob. 30PCh. 29 - Prob. 31PCh. 29 - GO The current-carrying wire loop in Fig. 29-6a...Ch. 29 - Prob. 33PCh. 29 - Prob. 34PCh. 29 - Prob. 35PCh. 29 - Prob. 36PCh. 29 - Prob. 37PCh. 29 - Prob. 38PCh. 29 - Prob. 39PCh. 29 - Prob. 40PCh. 29 - Prob. 41PCh. 29 - Prob. 42PCh. 29 - Prob. 43PCh. 29 - Prob. 44PCh. 29 - Prob. 45PCh. 29 - Prob. 46PCh. 29 - ILW The current density inside a long, solid,...Ch. 29 - Prob. 48PCh. 29 - Prob. 49PCh. 29 - A solenoid that is 95.0 cm long has a radius of...Ch. 29 - A 200-turn solenoid having a length of 25 cm and a...Ch. 29 - A solenoid 1.30 m long and 2.60 cm in diameter...Ch. 29 - A long solenoid has 100 turns/cm and carries...Ch. 29 - An electron is shot into one end of a solenoid. As...Ch. 29 - Prob. 55PCh. 29 - Prob. 56PCh. 29 - Prob. 57PCh. 29 - Prob. 58PCh. 29 - Prob. 59PCh. 29 - Prob. 60PCh. 29 - A circular loop of radius 12 cm carries a current...Ch. 29 - Prob. 62PCh. 29 - Prob. 63PCh. 29 - Prob. 64PCh. 29 - A cylindrical cable of radius 8.00 mm carries a...Ch. 29 - Two long wires lie in an xy plane, and each...Ch. 29 - Two wires, both of length L, are formed into a...Ch. 29 - Prob. 68PCh. 29 - Prob. 69PCh. 29 - Prob. 70PCh. 29 - A 10-gauge bare copper wire 2.6 mm in diameter can...Ch. 29 - A long vertical wire carries an unknown current....Ch. 29 - Prob. 73PCh. 29 - The magnitude of the magnetic field at a point...Ch. 29 - Prob. 75PCh. 29 - Prob. 76PCh. 29 - Prob. 77PCh. 29 - A long wire carrying 100 A is perpendicular to the...Ch. 29 - A long, hollow, cylindrical conductor with inner...Ch. 29 - A long wire is known to have a radius greater than...Ch. 29 - Prob. 81PCh. 29 - Prob. 82PCh. 29 - Prob. 83PCh. 29 - Three long wires all lie in an xy plane parallel...Ch. 29 - Prob. 85PCh. 29 - Prob. 86PCh. 29 - Prob. 87PCh. 29 - Prob. 88P
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- In Fig. 29-64, five long parallel wires in an xy plane are separated by distance d = 50.0 cm. The currents into the page are i1 = 2.00 A, i3 = 0.250 A, i4 = 4.00 A, and i5 = 2.00 A; the current out of the page is i2 = 4.00 A. What is the magnitude of the net force per unit length acting on wire 3 due to the currents in the other wires?arrow_forward85 SSM Figure 29-87 shows a cross section of a hollow cylindrical conductor of radii a and b, carrying a uniformly distributed cur- rent i. (a) Show that the magnetic field magni- tude B(r) for the radial distance r in the range barrow_forward26 O In Fig. 29-54a, wire 1 consists of a circular arc and two radial lengths; it carries current = 0.50 A in the direction indicated. Wire 2, shown in cross section, is long, straight, and per- pendicular to the plane of the figure. Its distance from the center of the arc is equal to the radius R of the arc, and it carries a current iz that can be varied. The two currents set up a net magnetic field B at the center of the arc. Figure 29-54b gives the square of the field's magnitude B plotted versus the square of the current iB. The verti- cal scale is set by B; = 10.0 x 10-10 T?. What angle is subtended by the arc? B? (A) (a) (b) (L. 01-01) Aarrow_forward8 Figure 29-31 shows four arrangements in which long, parallel, equally spaced wires carry equal currents directly into or out of the page. Rank the arrangements according to the magnitude of the net force on the central wire due to the currents in the other wires, greatest first. (a) (b) (c) (d)arrow_forwardThe figure below shows a long conducting coaxial cable and gives its radii (R₁ = 3.9cm, R₂-8.6cm, R3-17.1cm). The inner cable has a uniform current density of J = 7.2 A/m², and the outer cable carries a uniform current | = 4.3A flowing in opposite direction. Assume that the currents in each wire is uniformly distributed over its cross section. Determine the magnitude of the magnetic field in terms of μ at a distance r = 23.1cm from the center of the cable. Express your answer using two decimal places. R₂ R3 Iarrow_forward81 SSM Figure 29-84 shows a cross section of an infinite conducting sheet carrying a current per unit x-length of A; the current emerges perpendicularly out of the page. (a) Use the Biot-Savart law and sym- metry to show that for all points P above the sheet and all points P' be- low it, the magnetic field B is parallel to the sheet and directed as shown. (b) Use Ampere's law to prove that B = uod at all points P and P'. P'. Figure 29-84 Problem 81.arrow_forward*35 Each of the eight conduc- tors in Fig. 29-60 carries 2.0 Aarrow_forwardOne long straight wire is to be held directly above another (both parallel to the ground and to each other) by repulsion between their currents. The lower wire carries 140 A and the wire 7.00 cm above it is 15-gauge (1.450 mm diameter) copper wire. (The density of copper is 8.80 ✕ 103 kg/m3.) a) What current (in A) must flow in the upper wire, neglecting the Earth's field? What is the smallest current (in A) if the Earth's 3.00 ✕ 10−5 T field is parallel to the ground and is not neglected?arrow_forwardThe figure below shows a long conducting coaxial cable and gives its radii (R₁ = 2.2cm, R₂=8.2cm, R3-13.6cm). The inner cable has a uniform current density of J = 6.2 A/m², and the outer cable carries a uniform current | = 1.5A flowing in opposite direction. Assume that the currents in each wire is uniformly distributed over its cross section. Determine the magnitude of the magnetic field in terms of μo at a distance r = 22cm from the center of the cable. Express your answer using two decimal places. R₂ R3 Answer: Iarrow_forwardA 2.50 mH toroidal solenoid has an average radius of 6.00 cmand a cross-sectional area of 2.00 cm2. At what rate must the current through it change so that a potential difference of 2.00 V is developed across its ends?arrow_forward00:33 7.00 ,4GM KB/S 49% O wire -wire 2 de K.- l, - K.- l2- A current carrying wire(wire-1) with i1 = 10 Amperesis placed at the origin on the Y-Z plane. Another current carrying wire(wire-2) with i2 = 12 Amperesis placed l = 8 mdistance apart on the Y-axis. The point P2 is l1 = 6 mfrom the wire-1. P1 (0, 6, –6) P2 (0, 6,0) and the point P3 (0, 6, 7) are on the same line. The direction of the current is given in the figure. Step 1: Consider a wire-1 only. a) Calculate magnetic field at P x component Give your answer up to at least three significance digits. y component Give your answer up to at least three significance digits. z component Give your answer up to at least three significance digits. Calculate the magnetic field at P2 x component Give your answer up to at least three significance digits. y component Give your answer up to at least three significance digits. z component Give your answer up to at least three significance digits. Step 2:Consider both wires b)Now what is the…arrow_forwardWhat is the magnetic field at point P shown below if a=3.39mm, b = 6.81mm, and the current 1=5,075A? Define positive as out of the page. Assume 3 significant digits and units of Tesla. b Pl —a—arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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