General Physics, 2nd Edition
2nd Edition
ISBN: 9780471522782
Author: Morton M. Sternheim
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 19, Problem 57E
(a)
To determine
To show that the field of a toroid at points
(b)
To determine
To show that the field of a toroid at points
(c)
To determine
To show that the field of a toroid at points
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Consider the systempictured in Figure P19.31.A 15 - cm length of conductorof mass 15 g, free tomove vertically, is placedbetween two thin, verticalconductors, and a uniformmagnetic field acts perpendicularto the page. When a5.0 - A current is directed asshown in the figure, the horizontalwire moves upward atconstant velocity in the presenceof gravity. (a) What forces act on the horizontal wire, andunder what condition is the wire able to move upward at constantvelocity? (b) Find the magnitude and direction of theminimum magnetic field required to move the wire at constantspeed. (c) What happens if the magnetic field exceedsthis minimum value? (The wire slides without friction on thetwo vertical conductors.)
Suppose you wish to produce a 1.2-T magnetic field in a toroid with an iron core for which χ = 4.0 × 103. The toroid has a mean radius of 15 cm and is wound with 500 turns. What current is required?
What happens when current stops flowing through a solenoid?
Chapter 19 Solutions
General Physics, 2nd Edition
Ch. 19 - Prob. 1RQCh. 19 - Prob. 2RQCh. 19 - Prob. 3RQCh. 19 - Prob. 4RQCh. 19 - Prob. 5RQCh. 19 - Prob. 6RQCh. 19 - Prob. 7RQCh. 19 - Prob. 8RQCh. 19 - Prob. 9RQCh. 19 - Prob. 10RQ
Ch. 19 - Prob. 1ECh. 19 - Prob. 2ECh. 19 - Prob. 3ECh. 19 - Prob. 4ECh. 19 - Prob. 5ECh. 19 - Prob. 6ECh. 19 - Prob. 7ECh. 19 - Prob. 8ECh. 19 - Prob. 9ECh. 19 - Prob. 10ECh. 19 - Prob. 11ECh. 19 - Prob. 12ECh. 19 - Prob. 13ECh. 19 - Prob. 14ECh. 19 - Prob. 15ECh. 19 - Prob. 16ECh. 19 - Prob. 17ECh. 19 - Prob. 18ECh. 19 - Prob. 19ECh. 19 - Prob. 20ECh. 19 - Prob. 21ECh. 19 - Prob. 22ECh. 19 - Prob. 23ECh. 19 - Prob. 24ECh. 19 - Prob. 25ECh. 19 - Prob. 26ECh. 19 - Prob. 27ECh. 19 - Prob. 28ECh. 19 - Prob. 29ECh. 19 - Prob. 30ECh. 19 - Prob. 31ECh. 19 - Prob. 32ECh. 19 - Prob. 33ECh. 19 - Prob. 34ECh. 19 - Prob. 35ECh. 19 - Prob. 36ECh. 19 - Prob. 37ECh. 19 - Prob. 38ECh. 19 - Prob. 39ECh. 19 - Prob. 40ECh. 19 - Prob. 41ECh. 19 - Prob. 42ECh. 19 - Prob. 43ECh. 19 - Prob. 44ECh. 19 - Prob. 45ECh. 19 - Prob. 46ECh. 19 - Prob. 47ECh. 19 - Prob. 48ECh. 19 - Prob. 49ECh. 19 - Prob. 50ECh. 19 - Prob. 51ECh. 19 - Prob. 52ECh. 19 - Prob. 53ECh. 19 - Prob. 54ECh. 19 - Prob. 55ECh. 19 - Prob. 56ECh. 19 - Prob. 57ECh. 19 - Prob. 58ECh. 19 - Prob. 59ECh. 19 - Prob. 60ECh. 19 - Prob. 61E
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
- Suppose that a cylindrical solenoid is wrapped around a core of iron whose magnetic susceptibility is x. Using Equation 14.9, show that the self-inductance of the solenoid is given by L=(l+x)+0n2Al where l is its length, A its cross-sectional area and N its total number of turns. Nm=Uarrow_forwardIf magnetic coils are powered by AC, why don’t their contacts open and close 120 times per second?arrow_forwardquestion : to support an energy density of 1.00 J/m^3 within the volume of the solenoid, how much current must the solenoid carry? 1.6287*10^9 turns of wire cross-sectional area 1.00 m^2 10.0 lengtharrow_forward
- When you turn the shaft of an electric motor by hand, what occurs in the interior coils of wire?arrow_forwardThe following statements concern the magnetic field of a solenoid that has an iron core. Which one or more of them are not always true? Choose all that apply a. B = 0 when I = 0 b. B increases when I increases c. B decreases when I dcreases d. The direction of B changes when the direction of I changesarrow_forwardIt is desired to construct a solenoid that will have a resistance of 4.95 Ω (at 20°C) and produce a magnetic field of 4.00 ✕ 10−2 T at its center when it carries a current of 4.75 A. The solenoid is to be constructed from copper wire having a diameter of 0.500 mm. If the radius of the solenoid is to be 1.00 cm, determine the following. (The resistivity of copper at 20°C is 1.7 ✕ 10−8 Ω · m.) (a) the number of turns of wire needed to build the solenoid turns (b) the length the solenoid should have cmarrow_forward
- Suppose a large power plant generates electricity at 12.0 kV. Its old transformer once converted this voltage to 360 kV. The secondary coil of this transformer is being replaced so that its output can be 740 kV for more efficient cross-country transmission on upgraded transmission lines. If the overall power output is 1000.0 MW and line resistance is 2.00 Ω, what was the power loss, in watts, in the old power lines which left the plant?arrow_forwardAn inductor used in a de power supply has an inductance of 12.0 H and a resistance of 180 ohms. It carries a current of 0.50 A. What is the energy stored in the magnetic field? A)9.0 j B)1.5 j C)12.0 J D)3.0j E) 4.5jarrow_forwardSuppose a large power plant generates electricity at 12.0 kV. Its old transformer once converted this voltage to 360 kV. The secondary coil of this transformer is being replaced so that its output can be 740 kV for more efficient cross-country transmission on upgraded transmission lines. If the overall power output is 1000.0 MW and line resistance is 2.00 Ω, what is the power loss, in watts, in the new power lines which leave the plant?arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning