Fundamentals of Physics, Volume 1, Chapter 1-20
10th Edition
ISBN: 9781118233764
Author: David Halliday
Publisher: WILEY
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Chapter 29, Problem 46P
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Problem 1:
Two long thin parallel wires are 0.1 m apart and each wire carries a current of 12 A. The current
for the wire on the left is into the page and the current for the wire on the right is out of the
page. What is B at point P, 0.08 m from one wire and 0.06 m from the other wire?
Hint: Point P is on the corner of the right triangle with the right angle.
Answer: B = −(1.4 × 10−5 T)î − (4.8 × 10-5 T)ĵ.
0.08 m -
X
0.1 m-
I
-0.06 m
*35 Each of the eight conduc-
tors in Fig. 29-60 carries 2.0 A
In the diagram shown below, the four currents are assumed to be held in place at their current locations. The currents have the following values: IA = 3.000 A, IB = 3.000 A,
Ic = 1.000 A and Ip = 2.000 A. Let d = 12.500 cm and assume standard x- and y-axes at point P₁. (Be careful about signs!)
ΑΟ
BO
3d
P1
d
d
OD
The angle of the total magnetic field at P₁, as measured from the +y-axis, in degrees and to three decimal places, is
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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- A cylindrical conducting cable with cross-sectional radius of R = 1.1mm carries a current gixen by the current density wwm wwww m j = 5 (1-) %3D where the magnitude of the constant vector Dis 5x10^6 A/m^2 and x is the distance to the axis, of the cylinder. What is the current in the cable in ynites of ampere? (Take pi=3) Mw man M M marrow_forwardThe figure below is a cross-sectional view of a coaxial cable. The center conductor is surrounded by a rubber layer, an outer conductor, and another rubber layer. In a particular application, the current in the inner conductor is I, = 1.20 A out of the page and the current in the outer conductor is I, = 3.06 A into the page. Assuming the distance d = 1.00 mm, answer the following. (a) Determine the magnitude and direction of the magnetic field at point a. magnitude pT direction --Select-- (b) Determine the magnitude and direction of the magnetic field at point b. magnitude pT direction --Select---arrow_forwardThe figure below is a cross-sectional view of a coaxial cable. The center conductor is surrounded by a rubber layer, an outer conductor, and another rubber layer. In a particular application, the current in the inner conductor is I, - 1.20 A out of the page and the current in the outer conductor is I, = 3.16 A into the page. Assuming the distance d = 1.00 mm, answer the following. (a) Determine the magnitude and direction of the magnetic field at point a. magnitude 240 direction upward (b) Determine the magnitude and direction of the magnetic field at point b. magnitude direction -Seloctarrow_forward
- Figure is a cross-sectional view of a coaxial cable. The center conductor is surrounded by a rubber layer, which is surrounded by an outer conductor, which is surrounded by another rubber layer. In a particular application, the current in the inner conductor I 2 is 7.00 A out of the page and the current in the outer conductor I 1 is 5.00 A into the page. Assume that l = 1.20 mm. Determine the magnitude and direction (upward or downward of the page) of the magnetic field at point a. (Choose upward of the page as the positive y-direction and express the magnetic field by using the sign of the result, which must be in µT and without decimals. That means if you get a result of a 922 and the direction of the field is upward of the page, just type 922 or if you find the direction of the field as downward of the page, just tpe -922 in the answer box. Take vacuum permeability µ 0 = 4π x 10 -7 T /A 2 and π = 3.14.)arrow_forwarddz wire →Y -wire 2 dz K.- ļ, -- %3B A current carrying wire(wire-1) with i1 i2 = 12 Amperes is placed l = 8 m distance apart on the Y-axis. The point P2 is l1 = 6 m from the wire-1. P1 (0, 6, –6), P2 (0, 6, 0) and the point P3 (0, 6, 8) are on the same line. The direction of the current is given in the figure. 13 Amperes is placed at the origin on the Y-Z plane. Another current carrying wire(wire-2) witharrow_forwardIn the accompanying figure, the rails, connecting end piece, and rod all have a resistance per unit length of 2.0 Ω/cm. The rod moves to the left at v = 3.0 m/s. If B = 0.75 T everywhere in the region, what is the current in the circuit (a) when a = 8.0 cm? (b) when a = 5.0 cm? Specify also the sense of the current flow.arrow_forward
- Each of the eight conductors in the figure carries 2.58 A of current into or out of the page. Two paths are indicated for the line integral Bds. What is the value of the integral for (a) path 1 and (b) path 2? (a) Number i IN (b) Number i Units Units 1 2 Oarrow_forwardA current is a wire varies with time according to the relationship I = 45A – (0.754)t,how many coulombs of the wire in the time interval between t =0 and t = 9 s?arrow_forwardThe figure shows a cross section of a long, conducting coaxial cable of radii a, b and c. Uniform current density flows through the two conductors such that the total current through the inner conductor is I and total current through the outer conductor is I. Derive the expression for B(r) in the regions ra and sketch a plot of B(r).arrow_forward
- An infinitely long filament on the x-axis carries a current of 10 mA in the k direction. FindH at P(3, 2,1) marrow_forwardIn the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit length of 42 / cm. The rod moves to the left at v = 3.5 m/s. If B = 0.85 T everywhere in the region, what is the current in the circuit (a) when a = 6 cm? (b) when a = 4 cm? 4.0 cm Hint a. When a = 6 cm, a Select an answer v current of mA flows in the circuit. b. When a = 4 cm, mA flows in the circuit. 1>arrow_forwardThe figure below is a cross-sectional view of a coaxial cable. The center conductor is surrounded by a rubber layer, an outer conductor, and another rubber layer. In a particular application, the current in the inner conductor is I, = 1.14 A out of the page and the current in the outer conductor is I2 = 3.04 A into the page. Assuming the distance d = 1.00 mm, answer the following. (a) Determine the magnitude and direction of the magnetic field at point а. magnitude -Select- direction (b) Determine the magnitude and direction of the magnetic field at point b. magnitude HT direction ---Select--arrow_forward
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