Question

In items 11 through 30, select the best answer to make each statement true. Place the letter of your answer in the space provided. The kind of magnetism that remains in a core material when the magnetizing force is removed is called____ a. residual. c. polarization. b. magnetic. d. north-south.

   In items 11 through 30, select the best answer to make each statement true. Place the letter of your answer in the space provided.
The kind of magnetism that remains in a core material when the magnetizing force is removed is called____
a. residual.
c. polarization.
b. magnetic.
d. north-south.

Electricity 1: Devices, Circuits and Materials

Thomas Kubala 9th Edition

Chapter 15, Problem 16

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The question is about a type of magnetism that persists in a core material after the magnetizing force is removed. Show more…

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In items 11 through 30, select the best answer to make each statement true. Place the letter of your answer in the space provided. The kind of magnetism that remains in a core material when the magnetizing force is removed is called____ a. residual. c. polarization. b. magnetic. d. north-south.

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Key Concepts

Residual Magnetism

Residual magnetism is the magnetism that remains in a material after an external magnetizing force is removed. This phenomenon occurs in ferromagnetic materials where some of the magnetic domains stay aligned, leaving the material with a remanent magnetic field.

Ferromagnetism

Ferromagnetism is the basic property of certain materials that enables them to become permanent magnets. It is characterized by the parallel alignment of magnetic domains, which is crucial for the retention of residual magnetism even after the removal of an external magnetic field.

Hysteresis

Hysteresis refers to the lag between the change in an applied magnetic field and the corresponding change in the material's magnetization. The hysteresis loop illustrates how some magnetization remains in the material, leading to residual magnetism when the external field is removed.

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