The magnetic field shown in the figure below has a uniform magnitude of 24.5 mT directed into the paper. The initial diameter of the kink is 2.00 cm.xXxxxxxxXxXmagnitudepolarityxxxXxxxXxxXx\x2.00 cmxxxxxxXxxxxxxxBx xxxxx(a) The wire is quickly pulled taut, and the kink shrinks to a diameter of zero in 47.0 ms. Determine the average voltage induced between endpoints A and B. Include the polarity.16697.083XmagnitudeYour response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. mvB is positive relative to A. ✔polarityPRACTICE ANOTHER(b) Suppose the kink is undisturbed, but the magnetic field increases to 101 mT in 4.05 x 10-3 s. Determine the average voltage across terminals A and B, including polarity, during thisperiod.5.204e-6XYour response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. mVA is positive relative to B. ✔11 .★Practice Question master Homea)A = 21.5 × 10³ x 71 (0- (1.00 x 10²²m) ²)A0 ===-67.5×20 -767.5x10-752.0x103emp = 1.30× 10-45/0.130v46= (102=21.5) x10-³x (~ x (1.00×10^²)²)AB= 2.52 x/0-5Emt=253x10-54.50X10-3= 5.62-> Question14A$ = 24.5 x 10-3 x 71 (0- (4.05 x 10-3)²)(101) x/0-³ x (71x (4.05×10-³)²)

Answered: Image /qna-images/answer/f3749edb-193a-4f91-b079-33a6851ead7f.jpg

(a) The wire is quickly pulled taut, and the kink shrinks to a diameter of zero in 47.0 ms. Determine the average voltage induced between endpoints A and B. Include the polarity. 16697.083 magnitude X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. mV B is positive relative to A. ✔✔ polarity (b) Suppose the kink is undisturbed, but the magnetic field increases to 101 mT in 4.05 x 10-3 s. Determine the average voltage across terminals A and B, including polarity, during this period. magnitude polarity 5.204e-6 x Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. mV A is positive relative to B. B✔

(a) The wire is quickly pulled taut, and the kink shrinks to a diameter of zero in 47.0 ms. Determine the average voltage induced between endpoints A and B. Include the polarity. 16697.083 magnitude X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. mV B is positive relative to A. ✔✔ polarity (b) Suppose the kink is undisturbed, but the magnetic field increases to 101 mT in 4.05 x 10-3 s. Determine the average voltage across terminals A and B, including polarity, during this period. magnitude polarity 5.204e-6 x Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. mV A is positive relative to B. B✔

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

Chapter22: Magnetic Forces And Magnetic Fields

Section: Chapter Questions

Problem 51P

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Concept explainers

Ferromagnetism

Ferromagnetism is a mechanism by which some materials show magnetic properties. Iron and magnetite, an oxide of iron, are two naturally occurring materials that show the property of ferromagnetism. The word ferromagnetism is derived from the Latin name of iron, "Ferrum" as it was the first observed material to show such property. The property of ferromagnetism is shown by only a few substances such as iron, nickel, cobalt, and their alloys. Some transition metals and alloys of rare-earth metals also show ferromagnetism.

Question

The magnetic field shown in the figure below has a uniform magnitude of 24.5 mT directed into the paper. The initial diameter of the kink is 2.00 cm.
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magnitude
polarity
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(a) The wire is quickly pulled taut, and the kink shrinks to a diameter of zero in 47.0 ms. Determine the average voltage induced between endpoints A and B. Include the polarity.
16697.083
X
magnitude
Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. mv
B is positive relative to A. ✔
polarity
PRACTICE ANOTHER
(b) Suppose the kink is undisturbed, but the magnetic field increases to 101 mT in 4.05 x 10-3 s. Determine the average voltage across terminals A and B, including polarity, during this
period.
5.204e-6
X
Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. mV
A is positive relative to B. ✔
11

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Step 1: Introduce the formula of induced emf

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Step 2: Determine the given variables

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Step 3: Calculate the induced emf and polarity when area of loop changes

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Step 4: Calculate the induced emf and polarity when the magnetic field increases

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