13956835
Description
Quiz by John Anthony Yumul, updated more than 1 year ago
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Created by John Anthony Yumul
almost 6 years ago
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Question 1
Question
Which of the following statements are not true?
Answer
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All substances contains electrons but most substances are not magnetic
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In the electron spin magnetic moment the electron is physically spinning due to the angular momentum.
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In the orbital magnetic moment the magnetic moment of the electron is proportional to its angular velocity
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more than one of the choices
Question 2
Question
Certain types of super conductors also exhibit perfec __________- in the superconducting state which is called the Meissner effect
Answer
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Paramagnetism
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Ferromagnetism
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Diamagnetism
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Spin moment
Question 3
Question
If the substance is below the Curie temperature, the magnetic moment are aligned and the substance is _____________
Answer
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Paramagnetic
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Diagmagnetic
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Antiferromagnetic
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Ferromagnetic
Question 4
Question
Current (Electric Circuits), ____________ (Magnetic Circuits)
Answer
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Reluctance
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Permeability
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Flux
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Permeance
Question 5
Question
The material shows no magnetic effects this is due to the _____________
Answer
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absence of an external field
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spinning of electrons
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absence of voltage
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cannot be determined
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