The drawing shows three identical rods (A, B, and C) moving in different planes. A constant magnetic field of magnitude 0.55 T is directed along the +y axis. The length of each rod is L = 1.9 m, and the speeds are the same, VA VB VC = 3.2 m/s. Find the magnitude of the motional emf for the rods (a) A, (b) B, and (c) C. (a) Number (b) Number (c) Number i Units Units Units -

The drawing shows three identical rods (A, B, and C) moving in different planes. A constant magnetic field of magnitude 0.55 T is directed along the +y axis. The length of each rod is L = 1.9 m, and the speeds are the same, VA VB VC = 3.2 m/s. Find the magnitude of the motional emf for the rods (a) A, (b) B, and (c) C. (a) Number (b) Number (c) Number i Units Units Units -

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

A 34-turn circular coil of wire has diameter 0.97 m. It is placed with its axis along the direction of the Earth's magnetic field of 41.0 μT and then in 0.200 s is flipped 180°. An average emf of what magnitude is generated in the coil? mV
In the figure, a wire loop of dimensions L = 40.1 cm and W = 27.6 cm lies in a magnetic field. What are the (a) magnitude 8 and (b) direction (clockwise or counterclockwise-or "none" if 8 = 0) of the emf induced in the loop if B = (5.20 × 10-² T/m)yk? What are (c) 8 and (d) the direction if B = (6.04 x 10-2 T/s)tk? What are (e) and (f) the direction if B = (8.33 x 10-2 T/m-s)yt? What are (g) 8 and (h) the direction if B = (3.12 × 10² T/m-s)xt? What are (i) and (i) the direction if B = (5.00 x 10² T/m-s)yti? W (a) Number Units (b) (c) Number Units (d) (e) Number Units (f) (g) Number Units (h) (i) Number Units (j) Mi Mi
A loop of wire has the shape shown in the drawing. The top part of the wire is bent into a semicircle of radius r = 0.12 m. The normal to the plane of the loop is parallel to a constant magnetic field (p = 0°) of magnitude 0.73 T. What is the change AO in the magnetic flux that passes through the loop when, starting with the position shown in the drawing, the semicircle is rotated through half a revolution? B (into paper) ΔΦ =
A neurologist is using a device, with a thin circular coil of current-carrying wire of radius 2.0 mm, to stimulate neurons in a patient's brain. The coil is placed directly against the patient's skull, and everywhere within the area of the coil, the magnetic field changes from zero to 1.10 T (perpendicular to the plane of the coil) in 100 ms. What is the magnitude of the average emf induced around the circumference of this circular area in the brain? Express your answer in units of mV.
The drawing shows three identical rods (A, B, and C) moving in different planes. A constant magnetic field of magnitude 0.63 T is directed along the +y axis. The length of each rod is L = 1.3 m, and the speeds are the same, VA = VB = Vc = 2.3 m/s. Find the magnitude of the motional emf for the rods (a) A, (b) B, and (c) C. (a) Number (b) Number (c) Number 0 Units V 2 Units V Units V 2
In the figure, a wire loop of dimensions L = 42.1 cm and W = 25.2 cm lies in a magnetic field. What are the (a) magnitude 8 and (b) direction (clockwise or counterclockwise-or "none" if & = 0) of the emf induced in the loop if B = (4.00 x 10-2 T/m)yk? What are (c)8 and (d) the direction if B = (6.00 x 10-2 T/s)tk? What are (e) and (f) the direction if B = (8.14 x 10-2 T/m-s)ytk? What are (g) 8 and (h) the direction if B = (3.21 x 10-2 T/m-s)xt j? What are (i) and (i) the direction if B = (5.00 x 10-2 T/m-s)yti? W
In the figure, a wire loop of dimensions L= 42.3 cm and W = 26.5 cm lies in a magnetic field. What are the (a) magnitude 8 and (b) direction (clockwise or counterclockwise-or "none" if g = 0) of the emf induced in the loop if B = (5.40 x 102 T/m)yk? What are (c)8 and (d) the direction if B = (6.19 × 10-2 T/s)tk ? What are (e)g and (f) the direction if B - (8.18 x 10-2 T/m-s)ytk ? What are (g)g and (h) the direction if B (3.13x 10-2 T/m-s)xtj? What are (i)8 and (j) the direction if B = (5.00 x 10-2 T/m-s)yti? (a) Number i Units (b) (c) Number i Units (d) (e) Number i Units (f)
A loop of wire with radius r= 0.183 m is in a magnetic field of magnitude B as shown in the figure. The magnetic field is perpendicular to the plane of the loop. B changes from B1= 0.22 T to B2= 7.5 T in Δt = 7.5 s at a constant rate. (a) Express the magnetic flux Φ going through a loop of radius r assuming a constant magnetic field B. (b) Express the change in the magnetic flux going through this loop, ΔΦ, in terms of B1, B2 and r. (c) Express the magnitude of the average induced electric field, E, induced in the loop in terms of ΔΦ, r and Δt.
As a diligent physics student, you carry out physics experiments at every opportunity. At this opportunity, you carry a 1.33 m long rod as you jog at 3.25 m/s, holding the rod perpendicular to your direction of motion. What is the magnitude B of the magnetic field that is perpendicular to both the rod and your direction of motion and that induces an EMF of 0.283 mV across the rod? Express the answer in milliteslas. B = mT
. A solenoid has radius 5.80 mm, length 11.0 cm, 5000 turns, and is placed with its axis of symmetry along the x-axis, through the origin. A vector normal to the opening of the solenoid points to the right. We measure the resistance of the solenoid to be 14.0 Ω. The solenoid is in a region where the temperature is 49.0°C and initially, there is an external magnetic field of 0.30 T in the +x direction. Then the magnetic field is turned off and drops to 0 T over 50.0 milliseconds a. What is the magnitude of the average induced emf during the 50.0 milliseconds while the magnetic field magnitude decreases to 0? b. What is the direction of the induced current, as viewed from the right? Answer clockwise, counterclockwise, or zero and show work or explain in words. c. What is the magnitude of the induced current? d. What is the magnitude and direction of the induced magnetic field?
A loop of wire has the shape shown in the drawing. The top part of the wire is bent into a semicircle of radius r = 0.30 m. The normal to the plane of the loop is parallel to a constant magnetic field (p = 0°) of magnitude 0.79 T. What is the change AO in the magnetic flux that passes through the loop when, starting with the position shown in the drawing, the semicircle is rotated through half a revolution? B (into paper) ΔΦ = > i * х
An electric generator consists of 100 turns of wire formed into a rectangualar loop 40.0 cm by 20.0 cm, placed entirely in a uniform magnetic field with magnitude B = 3.50 T. $7 R What is the maximum value of the emf produced when the loop is spun at 1100 rev/min about an axis perpendicular to B?