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= 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] 0

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= 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] 0

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)...

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Question

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.
ΔΒ
[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

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