Medical Lecture Devices and Power Supply Quiz
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Questions and Answers

What are the main functions that a power supply must perform at high efficiency and low cost?

  • Conversion, voltage regulation, ripple reduction, noise isolation, surge protection, efficiency improvement
  • Rectification, voltage transformation, noise reduction, regulation, isolation, surge protection
  • Rectification, voltage transformation, filtering, regulation, isolation, protection (correct)
  • Conversion, voltage adjustment, noise suppression, regulation, isolation, surge prevention

    • What is the equation for inductor in steady state?

  • $v = L \frac{di}{dt} + Ri$
  • $v = L \frac{di}{dt}$ (correct)
  • $v = L \frac{di}{dt} + iR$
  • $v = L \frac{di}{dt} - iR$

    • What are the main differences between linear power supply (PS) and switch mode power supply (SMPS)?

  • Voltage transformation, size, efficiency
  • Size, voltage level, efficiency
  • Size, efficiency, noise generated (correct)
  • Efficiency, regulation, noise reduction

    • What are the specific requirements mentioned for the power supply (PS) by Prof. Awad Al-Zaben?

    <p>Isolation, immunity to EMI, minimum EMI</p> Signup and view all the answers

    What is the purpose of filtering in a power supply?

    <p>To smooth the ripple of the rectified voltage</p> Signup and view all the answers

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