Physics for Scientists & Engineers, Volume 2 (Chapters 21-35)
5th Edition
ISBN: 9780134378046
Author: GIANCOLI, Douglas
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 29, Problem 30P
(a)
To determine
The speed of the rod as a function of time if the source puts out a constant current.
(b)
To determine
Speed of the rod as a function of time if the source puts out a constant emf.
(c)
To determine
Whether the rod reach a terminal speed in either part (a) and part (b) case.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
(I) A single square loop of wire 22.0 cm on a side is placed with its face parallel to the magnetic field as in Fig. 20-34b. When 5.70 A flows in the coil, the torque on it is 0.325 m • N. What is the magnetic field strength?
(II) In Fig. 21–11, the moving rod has a resistance of 0.25Ωand moves on rails 20.0 cm apart. The stationaryconductor has negligible resistance. When a force of 0.350 Nis applied to the rod, it moves to the right at a constantspeed of 1.50 m/s What is the magnetic field?
11 In Fig. 28-30, a charged particle
enters a uniform magnetic field B
with speed vo, moves through a half-
circle in time To, and then leaves the
field. (a) Is the charge positive or
negative? (b) Is the final speed of
the particle greater than, less than,
or equal to vo? (c) If the initial speed
had been 0.5vo, would the time spent in field B have been greater
than, less than, or equal to T,? (d) Would the path have been a
half-circle, more than a half-circle, or less than a half-circle?
OF
Figure 28-30 Question 11.
Chapter 29 Solutions
Physics for Scientists & Engineers, Volume 2 (Chapters 21-35)
Ch. 29 - Prob. 1QCh. 29 - What is the difference between magnetic flux and...Ch. 29 - Suppose you are holding a circular ring of wire...Ch. 29 - The use of higher-voltage lines in homessay, 600 V...Ch. 29 - (II) (a) If the resistance of the resistor in Fig....Ch. 29 - Prob. 30PCh. 29 - (III) A short section of wire, of length a, is...Ch. 29 - (I) Neon signs require 12 kV for their operation....Ch. 29 - Prob. 62GPCh. 29 - Show that the power loss in transmission lines,...
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 current in a long solenoid of radius 3 cm and 20 turns cm is varied with time at a rate of 2 A/s. Find the electric field at a distance of 4 cm from die center of the solenoid.arrow_forwardThe magnetic field perpendicular to a single sire loop of diameter 10.0 cm decreases fron 0.50 T to zero. The re Is made of copper and has a diameter of 2.0 mm and length 1.0 cm. How much charge moves thrnugh the re while tt field is changing?arrow_forwardCheck Your Understanding Using Example 12.5, at what distance would you have to move the first coil to have zero measurable magnetic field at point P?arrow_forward
- (I) The magnetic field inside an air-filled solenoid 36 cmlong and 2.0 cm in diameter is 0.72 T. Approximately howmuch energy is stored in this field?arrow_forwardA circular coiVhas a radius of 10 cm and 50 turns are rotated about its vertical diameter in a uniform magnetic field of 0.6 T. If the instantaneous value of the induced Electromotive Force (EMF) when the coil is at position 40° is 228.4 V. Determine: (i) the rotation of the coil in rpm , the maximum EMF produced and the time it takes to complete 1 revolutionarrow_forward(II) An iron-core solenoid is 38 cm long and 1.8 cm indiameter, and has 780 turns of wire. The magnetic fieldinside the solenoid is 2.2 T when 48 A flows in the wire.What is the permeability µ at this high field strength?arrow_forward
- (b) FIGURE 4 shows a 0.8 m long metal bar being pulled to the right at a steady speed of 5.8 ms-1 perpendicular to a 667 mT uniform magnetic field. The 5.8 m parallel metal rails are connected to a 6.3 Ω resistor. (i) Calculate the magnitude of the induced current in the circuit. (ii) State the direction of induced current in the metal bar.arrow_forwardPart of a single rectangular loop of wire with dimensions shown in Fig. 21-62 (see textbook, Giancoli 7th, page 620) is situated inside a region of uniform magnetic field of 0.454 T. The total resistance of the loop is 0.784 Ω. Calculate the force required to pull the loop from the field (to the right) at a constant velocity of 8.57 m/s. Neglect gravity. Answer in units of N.arrow_forwardA uniform conducting rod of length l and mass m sits atop a fulcrum, which is placed a distance l/4 from the rod's left-hand end and is immersed in a uniform magnetic field of magnitude B directed into the page (Fig. 20-69). An object whose mass M is 6.0 times greater than the rod's mass is hung from the rod's left-hand end. What current (direction and magnitude) should flow through the rod in order for it to be “balanced" (i.e., be at rest horizontally) on the fulcrum? (Flexible connecting wires which exert negligible force on the rod are not shown.) B m M FIGURE 20-69 Problem 83.arrow_forward
- Consider a flat rectangular coil with 150 turns. This coil is placed in a uniform magnetic field of 1.50 T with the plane of the coil parallel to the this applied field. Then this coil is rotated in 0.33 s from parallel position to a position where its plane perpendicular to the applied field. The dimension of rectangular coil is given by 10 cm x 40 cm. (1) What is the total magnetic flux through the coil before it is rotated? (ii) What is the total magnetic flux through the coil after it is rotated? (iii) What is the magnitude of the average emf induced in this coil during this rotation? fE- di doB dt E = » ØB = B · Ả At O a. (i) 0.90 Tm², (ii) 0.00 Tm², (iii) 2.73 V O b. (i) 0.90 Tm², (ii) 0.90 Tm², (ii) 27.3 V O c. (i) 0.00 Tm², (ii) 0.90 Tm², (ii) 2.73 V O d. (i) 0.00 Tm², (ii) 9.00 Tm², (iii) 27.30 V O e. (i) 0.90 Tm², (ii) 0.00 Tm², (ii) 2.73 Varrow_forward(b) The magnitude and direction of the torque (Nm)arrow_forward(1) A 30.0-cm-long solenoid 1.25 cm in diameter is to produce a field of 4.65 mT at its center. How much current should the solenoid carry if it has 935 turns of the wire?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage LearningGlencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-Hill
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill