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Questions and Answers
What is the main difference between electric circuit and magnetic circuit?
What is the main difference between electric circuit and magnetic circuit?
- Electric circuit carries voltage, while magnetic circuit carries current
- Electric circuit carries current, while magnetic circuit carries flux (correct)
- Electric circuit has resistance, while magnetic circuit has reluctance
- Electric circuit has inductance, while magnetic circuit has capacitance
What is the purpose of Ampere's circuital law in magnetic circuits?
What is the purpose of Ampere's circuital law in magnetic circuits?
- To find the magnetic flux density
- To determine the reluctance of a magnetic circuit
- To measure the permeability of a magnetic material
- To calculate the mmf required to establish a certain flux (correct)
What is the unit of magnetic flux density?
What is the unit of magnetic flux density?
- Webers (Wb)
- Gauss (G)
- Ampere-turns (At)
- Teslas (T) (correct)
What is the effect of increasing the current in a magnetic circuit?
What is the effect of increasing the current in a magnetic circuit?
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What is the relationship between the fluxes at a junction in a magnetic circuit?
What is the relationship between the fluxes at a junction in a magnetic circuit?
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What is the purpose of the reluctance model in magnetic circuits?
What is the purpose of the reluctance model in magnetic circuits?
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What is the effect of moving a conductor in a constant magnetic field?
What is the effect of moving a conductor in a constant magnetic field?
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What is the unit of magnetomotive force (mmf)?
What is the unit of magnetomotive force (mmf)?
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What is the relationship between the current and the mmf in a magnetic circuit?
What is the relationship between the current and the mmf in a magnetic circuit?
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What is the purpose of the B-H curve in magnetic circuits?
What is the purpose of the B-H curve in magnetic circuits?
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