University Physics (14th Edition)
14th Edition
ISBN: 9780133969290
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 28, Problem 28.40E
Figure E28.40 shows, in cross section, several conductors that carry currents through the plane of the figure. The currents have the magnitudes I1 = 4.0 A, I2 = 6.0 A. and I3 = 2.0 A, and the directions shown. Four paths, labeled a through d, are shown. What is the line integral
Figure E28.40
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
a. Consider the points a and b shown. Is the potential difference ΔVab between points a and b zero? If so, why? If not, which point is more positive?b. If a wire is connected between points a and b, does it carry a current?If so, in which direction—to the right or to the left? Explain.
Four long, parallel conductors carry equal currents of I = 4.00 A. The figure below is an end view of the conductors. The current direction is into the page at points A and B and out of the page at C and D.
Already calculated B= 16 uT . But there is another question I dont know how to answer:
What If? What would be the magnitude and direction of the initial acceleration of an electron moving with velocity 3.18 ✕ 105 m/s into the page at point P?ays:
(magnitude and direction)
dle
X COE
Question 4
Finish attempt..
The figure shows, in cross section, several conductors that carry currents through
the plane of the figure. The currents have the magnitudes I, = 4 A,l2 = 6 A, and I3 = 2 A,
and the directions shown. Four paths, labeled a through d, are shown.
Not yet
answered
Marked out of
What is the line integral OB.dL for the path b
2.00
P Flag question
1,0
d.
Select one:
1.01 x 10 Tm
2.14 x 10 T.m
-5.03 x 105 Tm
2.51 x 10-6T.m
None of these is correct
3.01 x 10 Tm
X.
Chapter 28 Solutions
University Physics (14th Edition)
Ch. 28 - A topic of current interest in physics research is...Ch. 28 - Streams of charged particles emitted from the sun...Ch. 28 - The text discussed the magnetic field of an...Ch. 28 - Prob. Q28.4DQCh. 28 - Pairs of conductors carrying current into or out...Ch. 28 - Suppose you have three long, parallel wires...Ch. 28 - In deriving the force on one of the long,...Ch. 28 - Two concentric, coplanar, circular loops of wire...Ch. 28 - A current was sent through a helical coil spring....Ch. 28 - Prob. Q28.10DQ
Ch. 28 - Prob. Q28.11DQCh. 28 - Two very long, parallel wires carry equal currents...Ch. 28 - In the circuit shown in Fig. Q28.13, when switch S...Ch. 28 - A metal ring carries a current that causes a...Ch. 28 - Prob. Q28.15DQCh. 28 - Prob. Q28.16DQCh. 28 - If a magnet is suspended over a container of...Ch. 28 - Prob. Q28.18DQCh. 28 - Prob. Q28.19DQCh. 28 - A cylinder of iron is placed so that it is free to...Ch. 28 - Prob. 28.1ECh. 28 - Prob. 28.2ECh. 28 - An electron moves at 0.100c as shown in Fig....Ch. 28 - An alpha particle (charge +2e) and an electron...Ch. 28 - A 4.80-C charge is moving at a constant speed of...Ch. 28 - Positive point charges q = +8.00 C and q' = +3.00...Ch. 28 - A negative charge q = 3.60 106 C is located at...Ch. 28 - An electron and a proton are each moving at 735...Ch. 28 - A straight wire carries a 10.0-A current (Fig....Ch. 28 - A short current element dl = (0.500 mm) carries a...Ch. 28 - A long, straight wire lies along the z-axis and...Ch. 28 - Two parallel wires are 5.00 cm apart and carry...Ch. 28 - Prob. 28.13ECh. 28 - A square wire loop 10.0 cm on each side carries a...Ch. 28 - The Magnetic Field from a Lightning Bolt....Ch. 28 - A very long, straight horizontal wire carries a...Ch. 28 - Prob. 28.17ECh. 28 - BIO Bacteria Navigation. Certain bacteria (such as...Ch. 28 - (a) How large a current would a very long,...Ch. 28 - Two long, straight wires, one above the other, are...Ch. 28 - A long, straight wire lies along the y-axis and...Ch. 28 - BIO Transmission Lines and Health. Currents in dc...Ch. 28 - Two long, straight, parallel wires, 10.0 cm apart,...Ch. 28 - A rectangular loop with dimensions 4.20 cm by 9.50...Ch. 28 - Four, long, parallel power lines each carry 100-A...Ch. 28 - Four very long, current-carrying wires in the same...Ch. 28 - Two very long insulated wires perpendicular to...Ch. 28 - Three very long parallel wires each carry current...Ch. 28 - Prob. 28.29ECh. 28 - Prob. 28.30ECh. 28 - Lamp Cord Wires. The wires in a household lamp...Ch. 28 - Prob. 28.32ECh. 28 - BIO Currents in the Brain. The magnetic field...Ch. 28 - Calculate the magnitude and direction of the...Ch. 28 - Calculate the magnitude of the magnetic field at...Ch. 28 - A closely wound, circular coil with radius 2.40 cm...Ch. 28 - A single circular current loop 10.0 cm in diameter...Ch. 28 - A closely wound coil has a radius of 6.00 cm and...Ch. 28 - Two concentric circular loops of wire lie on a...Ch. 28 - Figure E28.40 shows, in cross section, several...Ch. 28 - A closed curve encircles several conductors. The...Ch. 28 - As a new electrical technician, you are designing...Ch. 28 - Prob. 28.43ECh. 28 - Prob. 28.44ECh. 28 - A solenoid that is 35 cm long and contains 450...Ch. 28 - A 15.0-cm-long solenoid with radius 0.750 cm is...Ch. 28 - A solenoid is designed to produce a magnetic field...Ch. 28 - A toroidal solenoid has an inner radius of 12.0 cm...Ch. 28 - A magnetic field of 37.2 T has been achieved at...Ch. 28 - An ideal toroidal solenoid (see Example 28.10) has...Ch. 28 - A wooden ring whose mean diameter is 14.0 cm is...Ch. 28 - A toroidal solenoid with 400 turns of wire and a...Ch. 28 - A long solenoid with 60 turns of wire per...Ch. 28 - The current in the windings of a toroidal solenoid...Ch. 28 - A pair of point charges, q = +8.00 C and q' = 5.00...Ch. 28 - At a particular instant, charge q1 = +4.80 106C...Ch. 28 - Two long, parallel transmission lines, 40.0 cm...Ch. 28 - A long, straight wire carries a current of 8.60 A....Ch. 28 - Prob. 28.59PCh. 28 - Prob. 28.60PCh. 28 - An electric bus operates by drawing direct current...Ch. 28 - Figure P28.62 shows an end view of two long,...Ch. 28 - Prob. 28.63PCh. 28 - The long, straight wire AB shown in Fig. P28.64...Ch. 28 - CP Two long, parallel wires hang by 4.00-cm-long...Ch. 28 - The wire semicircles shown in Fig. P28.66 have...Ch. 28 - CALC Helmholtz Coils. Figure P28.67 is a sectional...Ch. 28 - Prob. 28.68PCh. 28 - CALC A long, straight wire with a circular cross...Ch. 28 - CALC The wire shown in Fig. P28.70 is infinitely...Ch. 28 - Prob. 28.71PCh. 28 - Prob. 28.72PCh. 28 - An Infinite Current Sheet. Long, straight...Ch. 28 - Long, straight conductors with square cross...Ch. 28 - A long, straight, solid cylinder, oriented with...Ch. 28 - Prob. 28.76PCh. 28 - DATA You use a teslameter (a Hall-effect device)...Ch. 28 - DATA A pair of long, rigid metal rods, each of...Ch. 28 - CP Two long, straight conducting wires with linear...Ch. 28 - Prob. 28.80CPCh. 28 - BIO STUDYING MAGNETIC BACTERIA. Some types of...Ch. 28 - Prob. 28.82PPCh. 28 - The solenoid is removed from the enclosure and...
Additional Science Textbook Solutions
Find more solutions based on key concepts
53. A truck driver has a shipment of apples to deliver to a desti-nation 440 miles away. The trip usually takes...
College Physics: A Strategic Approach (3rd Edition)
The force, when you push against a wall with your fingers, they bend.
Conceptual Physics (12th Edition)
Write the abbreviation for each quantity.
24. 15 decilitres
Applied Physics (11th Edition)
Consider a grey squirrel falling out of a tree to the ground. (a) If we ignore air resistance in this case (onl...
College Physics
What type of light primarily heats Earth’s surface and where does this light come from? What type of light prim...
Lecture- Tutorials for Introductory Astronomy
Choose the best answer to each of the following Explain your reasoning. 8.How does the habitable zone around a ...
Cosmic Perspective Fundamentals
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- The capacitor in the circuit shown below is initially uncharged. The switch is closed at t = 0 s. AV battery = 30 V, C = 3.0 F, and R = 2.0 2. At sometime after the switch is closed, the current in the circuit is measured to be 9.3 A. What is the charge on the capacitor at this time, in Coulomb? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.arrow_forwardEach of the eight conductors in the figure carries 3.15 A of current into or out of the page. Two paths are indicated for the line integral B. ds. What is the value of the integral for (a) path 1 and (b) path 2?arrow_forwardA conducting rod with a circular cross-section (this rod is a cylinder) has a radius of 1o mm and is 2 metres long. The rod is made of aluminum, so its conductivity is 3.6 x 10' s/m. A potential difference (voltage) is applied at both ends of this rod and the current is I= 90 A. That's a lot of current! a. What is the resistance of the rod, when measured from one end to the other? b. Calculate the current density in the rod along its length. . Determine the electric field amplitude at all locations within the rod. d. What is the electric potential difference between the two ends of the rod.arrow_forward
- A (1.91x10^2)-mA current is used to charge up a parallel plate capacitor. A large square piece of paper is placed between the plates and parallel to them so it sticks out on all sides. What is the value of the integral P B. ds around the perimeter of the paper? Express your result in T.m with three significant figures.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 I1 = 1.12 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. PS:Please make sure your answer is in µTarrow_forwardFour long, parallel conductors carry equal currents of I = 9.40 A. The figure below is an end view of the conductors. The current direction is into the page at points A and B and out of the page at C and D. PS:Please make sure your answer are in the correct unit.arrow_forward
- The two 10-cm-long parallel wires shown are separated by 5.0 mm. For what value of the resistor R will the force between the two wires be 5.4 x 10-5 N?arrow_forwardAn electron is travelling at 100.0 km/s parallel to a long straight horizontal conductor a distance of 3.00 cm from the conductor. A current of 12.0 A runs through the wire as the electron travels parallel to it, in the same direction as the electron’s velocity. Find the strength of the external electric field that will prevent the electron from deviating from its original path. Express your answer in V/marrow_forward33. Parts (a) through (e) of this problem should be done by inspection-that is, mentally. The intent is to obtain an approximate solution without a lengthy series of calcula- tions. For the network in Fig. 102: a. What is the approximate value of I1, considering the magnitude of the parallel elements? b. What is the ratio I¡/I2? Based on the result of part (a), what is an approximate value of 12? c. What is the ratio I/I3? Based on the result, what is an approximate value of I3? d. What is the ratio I/I4? Based on the result, what is an approximate value of I4? e. What is the effect of the parallel 100 kN resistor on the above calculations? How much smaller will the current I4 be than the current I¡? f. Calculate the current through the 1 2 resistor using the current divider rule. How does it compare to the result of part (a)? g. Calculate the current through the 10 2 resistor. How does it compare to the result of part (b)? h. Calculate the current through the 1 kn resistor. How does…arrow_forward
- Answer must be in standard form scientific notation with SI units that do not have prefixes except for kg. Provide the answer with the correct amount of significant figures. Thank you so much I greatly appreciate itarrow_forwardThe capacitor in the circuit shown below is initially uncharged. The switch is closed at t = 0 s. AVbattery = 30 V, C = 3.0 F, and R=2.0 Q. At sometime after the switch is closed, the current in the circuit is measured to be 3.1 A. What is the charge on the capacitor at this time, in Coulomb? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.arrow_forwardThe capacitor in the circuit shown below is initially uncharged. The switch is closed at t=0 s. AVbattery = 30 V, C = 3.0 F, and R = 2.0 Q. At sometime after the switch is closed, the current in the circuit is measured to be 5.9 A. What is the charge on the capacitor at this time, in Coulomb? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. CHarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Circuits, Voltage, Resistance, Current - Physics 101 / AP Physics Review with Dianna Cowern; Author: Physics Girl;https://www.youtube.com/watch?v=q8X2gcPVwO0;License: Standard YouTube License, CC-BY