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| Q. |
Which is the most commonly used low voltage switching regulators? |
| A. | powdered permalloy toroids |
| B. | fermite ei, u and toroid cores |
| C. | silicon steel ei butt stacks |
| D. | none of the mentioned |
| Answer» C. silicon steel ei butt stacks | |
| Explanation: the silicon steel ei butt stack exhibits high permeability high flux density and ease of construction and mounting therefore, it is most commonly used in low voltage switching regulators. | |
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