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- Subject
- Magnetic Circuitelectrical-engineering-mcqs › magnetic-circuit
- Published
- 16 Dec 2018
- Last updated
- 28 May 2026
Explanation
The initial rate of current increase in an inductive coil connected to a DC supply is given by V/L. Here, V = 200 V and L = 10 H, so the rate = 200/10 = 20 A/s.
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.When does the current in an inductive coil increase at its fastest rate?
- 5.Which material is commonly used to manufacture permanent magnets?
- 6.What is the standard unit used to measure magnetic flux?
- 7.Identify the incorrect statement regarding why magnetic leakage is considered undesirable in electrical machines.
- 8.Why is an air gap commonly introduced in magnetic circuits?
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