Assume that the magnet has a magnetic moment of μ = 0.39 A. m². The magnet is moving toward the coil that has N = 309 turns and radius r = 9 cm. a. Find the change in magnetic field of the magnet when the magnet moves from 1 cm to 6 cm from the center of coil. AB [T] b. What is the induced emf if this change happens in 0.2 s? em f = [V] c. What is the induced current if the resistance of the coil is R = 902? i =[ [A] d. What is the magnitude of ENC? ENC [V/m] O

Assume that the magnet has a magnetic moment of μ = 0.39 A. m². The magnet is moving toward the coil that has N = 309 turns and radius r = 9 cm. a. Find the change in magnetic field of the magnet when the magnet moves from 1 cm to 6 cm from the center of coil. AB [T] b. What is the induced emf if this change happens in 0.2 s? em f = [V] c. What is the induced current if the resistance of the coil is R = 902? i =[ [A] d. What is the magnitude of ENC? ENC [V/m] O

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 long solenoid has a radius of 4 cm and has 800 turns/m. If the current in the solenoid is increasing at the rate of 21.4 A/s, what is the magnitude of the induced electric field at a point 2.2 cm from the axis of the solenoid? a. 321.00 µV/m b. 192.60 µV/m c. 781.10 µV/m d. 236.47 µV/m e. 1719.70 µV/m
A coil of wire of 10 turns has across sectional area of 0.08 m². A magnetic field of 0.4T passes through the coil perpendicular to the plane of the coil. What is the total magnetic flux through the coil? a. 0.16 Wb O b. O Wb O c. 0.27 Wb O d. 0.32 Wb
A 1000 turn coil is moved from a location where there the magnetic field is 25.00 T to a location wherethere is no magnetic field. It takes 0.5 s to move the coil and the induced voltage. The induced voltage is 50.00volts. What is the cross-sectional area of the coil in ?2? What is the diameter of the coil in units of cm?
An electric field of 4.0 mV/m is induced at a point 2.0 cm from the axis of a long solenoid (radius = 3.0 cm, 800 turns/m). At what rate is the current in the solenoid changing at this instant? a. 0.40 A/s b. 0.60 A/s c. 0.50 A/s d. 0.70 A/s e. 0.27 A/s
The 10-cm-wide, zero-resistance wire shown is pushed toward the 2.0 Ω resistor at a steady speed of 0.50 m/s. The magnetic field strength is 0.50 T.a. What is the magnitude of the pushing force?b. How much power does the pushing force supply to the wire?c. What are the direction and magnitude of the induced current?d. How much power is dissipated in the resistor?
2. A 22 cm by 35 cm rectangular coil has a single turn and carries a current of 1.4 A. Initially the plane of the coil is perpendicular to a uniform 1.6 T magnetic field, as shown in the picture O below. The resistance of the coil is negligible. a. Please determine the direction and the magnitude of the magnetic force on the right side of the coil. b. If the coil rotates a 30° angle as shown in the picture 2, please determine the direction and the magnitude of the magnetic torque on the left side of the coil. Axis B x x x xi x 22.0 cm 35.0 cm 30° x B
A long solenoid has a radius of 4 cm and has 800 turns/m. If the current in the solenoid is increasing at the rate of 21.4 A/s, what is the magnitude of the induced electric field at a point 2.2 cm from the axis of the solenoid? a. 192.60 µV/m b. 321.00 µV/m O c. 781.10 µV/m d. 1719.70 μν /m e. 236.47 µV/m
A long solenoid has a radius of 2.0 cm and has 700 turns/m. If the current in the solenoid is decreasing at the rate of 8.0 A/s, what is the magnitude of the induced electric field at a point 2.5 cm from the axis of the solenoid? a. 8.8 mV/m b. 56 mV/m c. 44 mV/m d. 69 mV/m e. 88 mV/m
A solenoid has n= 120 turns per meter, and it is filled with a ferromagnetic material (km = 65). When the current through the solenoid is increasing at the rate of 2.0 A/s, the voltage induce in the solenoid is 25 V. a. Determine the inductance of the solenoid. b. What is the magnitude of the induced electric field inside of the solenoid at the radial distance r= 0.020 m from the axis of the solenoid?
When a coil is placed in a magnetic field, the coil's normal to the plane stays parallel to the field. Which of the following choices results to the average emf induced in the coil to have the greatest magnitude? a.The magnitude of the magnetic field is large, and it does not change b.The magnitude of the magnetic field is large, and its rate of change is small c.The magnitude of the magnetic field is small, and its rate of change is small d.The magnitude of the magnetic field is small, and its rate of change is large
In the figure, the red circle represents the loop of a wire. An external constant magnetic field is applied, with the direction shown-into the screen. What will be the direction of the induced current on the loop of wire? Figure for Problem 3 X X X X X xBx X X X X X X X a. Clockwise O b. Counterclockwise O C. Information is insufficient. d. No current will be induced in the loop of wire.
31. A single loop of wire of radius 0.23 m is placed in a 0.75 T magnetic field as shown. The magnetic field is changed to a strength of 0.50 T in the opposite direction in 0.61 s. X D. X X X X X +0.23 m Before X X X B X X What is the average emf induced in the coil? A. 0.068 V B. 0.094 V C. 0.34 V 0.47 V 0.23 m After Ein 10 ● B