Hard Electrical Engineering Quiz: Power Electronics Mastery
A focused assessment of advanced power electronic concepts, targeting professionals seeking deep technical validation.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which topology provides zero voltage switching for a MOSFET in a high‑frequency boost converter?
- 2
When limiting the overall junction‑to‑ambient thermal resistance to 0.8 °C/W for a SiC MOSFET that already has 0.3 °C/W from junction‑to‑case and interface, what is the maximum permissible resistance of the heat sink itself?
- 3
In a three‑phase voltage‑source inverter tied to the grid, which control method guarantees sinusoidal output current with unity power factor?
- 4
Which EMI mitigation technique is most effective for reducing common‑mode noise generated by high‑speed switching in a DC‑DC converter?
- 5
For a synchronous buck regulator operating at 500 kHz with an inductor of 10 µH, what is the approximate peak inductor ripple current if the input voltage is 24 V, output voltage 12 V, and load current 5 A?
- 6
When designing a multi‑level inverter using the flying‑capacitor topology, how many capacitors are required to achieve a five‑level output?
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