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- Subject
- Magnetic Circuitelectrical-engineering-mcqs › magnetic-circuit
- Published
- 16 Dec 2018
- Last updated
- 28 May 2026
Explanation
Reluctance refers to the opposition a material offers against the establishment of magnetic flux. Reluctivity is a related property but distinct, magnetomotive force drives magnetic flux, and permeance measures the ease with which flux is established.
More Magnetic Circuit MCQs
Practice related questions from the same subject.
- 1.Which type of magnetic materials are ideal for manufacturing armature and transformer cores due to their ________ permeability and ________ hysteresis loss?
- 2.Which property is essential for a material to be effective in magnetic memory applications?
- 3.What can be inferred about the hysteresis loss in a material if its hysteresis loop area is significantly large?
- 4.What is the initial rate of change of current in a coil with an inductance of 10 H when it is abruptly connected to a 200 V DC source?
- 5.When does the current in an inductive coil increase at its fastest rate?
- 6.Which material is commonly used to manufacture permanent magnets?
- 7.What is the standard unit used to measure magnetic flux?
- 8.Identify the incorrect statement regarding why magnetic leakage is considered undesirable in electrical machines.
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