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- Subject
- Magnetic Circuitelectrical-engineering-mcqs › magnetic-circuit
- Published
- 16 Dec 2018
- Last updated
- 28 May 2026
Explanation
Silicon steel is preferred in electrical machines primarily because it reduces hysteresis loss, improving efficiency. While low coercivity and retentivity are beneficial properties, the key advantage is its ability to minimize hysteresis loss during magnetization cycles.
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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