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Questions and Answers
What is the term for the process of demagnetizing a substance by reversing the direction of the current?
What is the term for the process of demagnetizing a substance by reversing the direction of the current?
What happens to the magnetic flux density when the magnetic field strength is increased from zero to one?
What happens to the magnetic flux density when the magnetic field strength is increased from zero to one?
What is the point at which the magnetic flux density remains constant called?
What is the point at which the magnetic flux density remains constant called?
What is the amount of force required to remove a material's retentivity called?
What is the amount of force required to remove a material's retentivity called?
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What is the primary cause of hysteresis loss in soft magnetic materials?
What is the primary cause of hysteresis loss in soft magnetic materials?
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What is the energy loss caused by hysteresis in electric machines' ferromagnetic cores?
What is the energy loss caused by hysteresis in electric machines' ferromagnetic cores?
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What is the term for the material's ability to retain some magnetism when the magnetic field is zero?
What is the term for the material's ability to retain some magnetism when the magnetic field is zero?
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What is the term for the electric charge that accumulates in certain solid materials in response to applied mechanical stress?
What is the term for the electric charge that accumulates in certain solid materials in response to applied mechanical stress?
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What is the result of the continually changing direction of the magnetic field in soft magnetic materials?
What is the result of the continually changing direction of the magnetic field in soft magnetic materials?
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What is the energy loss induced by the friction of molecules in the core of soft magnetic materials?
What is the energy loss induced by the friction of molecules in the core of soft magnetic materials?
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What type of materials exhibit piezoelectricity?
What type of materials exhibit piezoelectricity?
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What is the term for the study of the magnetic properties of materials using the theory of ferromagnetic hysteresis?
What is the term for the study of the magnetic properties of materials using the theory of ferromagnetic hysteresis?
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What is the primary application of soft magnetic materials?
What is the primary application of soft magnetic materials?
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What is the main reason for large hysteresis loss in hard magnetic materials?
What is the main reason for large hysteresis loss in hard magnetic materials?
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Which of the following is a characteristic of hard magnetic materials?
Which of the following is a characteristic of hard magnetic materials?
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What is the term for the lagging of magnetization of ferromagnetic materials behind the magnetic field?
What is the term for the lagging of magnetization of ferromagnetic materials behind the magnetic field?
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Which of the following is an example of a hard magnetic material?
Which of the following is an example of a hard magnetic material?
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What is the term for the maximum magnetic field strength that a material can withstand?
What is the term for the maximum magnetic field strength that a material can withstand?
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