The figure below shows two circular regions R₁ and R₂ with radii r₁ = 21.1 cm and r₂ = 32.4 cm. In R₁ there is a uniform magnetic field of magnitude B₁ = 52.4 mT directed into the page, and in R₂ there is a uniform magnetic field of magnitude B₂ = 75.0 mT directed out of te E · ds for (a) path 1, (b) path 2, and (c) the page (ignore fringing). Both fields are decreasing at the rate of 9.80 mT/s. Calculate path 3. (a) Number (b) Number F (c) Number i Units Units Units -Path 3. Path 1 Path 2 <

The figure below shows two circular regions R₁ and R₂ with radii r₁ = 21.1 cm and r₂ = 32.4 cm. In R₁ there is a uniform magnetic field of magnitude B₁ = 52.4 mT directed into the page, and in R₂ there is a uniform magnetic field of magnitude B₂ = 75.0 mT directed out of te E · ds for (a) path 1, (b) path 2, and (c) the page (ignore fringing). Both fields are decreasing at the rate of 9.80 mT/s. Calculate path 3. (a) Number (b) Number F (c) Number i Units Units Units -Path 3. Path 1 Path 2 <

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter23: Faraday’s Law And Inductance

Section: Chapter Questions

Problem 15P: Figure P23.15 shows a top view of a bar that can slide on two frictionless rails. The resistor is R...

See similar textbooks

Similar questions

Within the green dashed circle show in Figure P30.21, the magnetic field changes with time according to the expression B = 2.00t3 4.00t2 + 0.800, where B is in teslas, t is in seconds, and R = 2.50 cm. When t = 2.00 s, calculate (a) the magnitude and (b) the direction of the force exerted on an electron located at point P, which is at a distance r = 5.00 cm from the center of the circular field region. (c) At what instant is this force equal to zero? Figure P30.21
Sketch a plot of the magnitude of the magnetic field as a function of position r for a coax (Fig. P31.27).
How many turns must be wound on a flat, circular coil of radius 20 cm in order to produce a magnetic field of magnitude 4.0105 T at the center of the coil when the current through it is 0.85 A?
Two frictionless conducting rails separated by l = 55.0 cm are connected through a 2.00- resistor, and the circuit is completed by a bar that is free to slide on the rails (Fig. P32.71). A uniform magnetic field of 5.00 T directed out of the page permeates the region, a. What is the magnitude of the force Fp that must be applied so that the bar moves with a constant speed of 1.25 m/s to the right? b. What is the rate at which energy is dissipated through the 2.00- resistor in the circuit?
Figure P23.15 shows a top view of a bar that can slide on two frictionless rails. The resistor is R = 6.00 , and a 2.50-T magnetic field is directed perpendicularly downward, into the paper. Let = 1.20 m. (a) Calculate the applied force required to move the bar to the right at a constant speed of 2.00 m/s. (b) At what rate is energy delivered to the resistor? Figure P23.15 Problems 15 through 18.
Two long, parallel wires carry currents of 20.0 A and 10.0 A in opposite directions (Fig. OQ22.13). Which of the following statements is true? More than one statement may be correct. (a) In region I, the magnetic field is into the page and is never zero. (b) In region II, the field is into the page and can be zero. (c) In region III, it is possible for the field to be zero. (d) In region I, the magnetic field is out of the page and is never zero. (e) There are no points where the field is zero. Figure OQ22.13 Objective Questions 13 and 14.
Two long coaxial copper tubes, each of length L, are connected to a battery of voltage V. The inner tube has inner radius o and outer radius b, and the outer tube has inner radius c and outer radius d. The tubes are then disconnected from the battery and rotated in the same direction at angular speed of radians per second about their common axis. Find the magnetic field (a) at a point inside the space enclosed by the inner tube r d. (Hint: Hunk of copper tubes as a capacitor and find the charge density based on the voltage applied, Q=VC, C=20LIn(c/b) .)
Calculate the magnitude of the magnetic field at a point 25.0 cm from a long, thin conductor carrying a current of 2.00 A.