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A charger supplies $100\:W$ at $20\:V$ for charging the battery of a laptop. The power devices, used in the converter inside the charger, operate at a switching frequency of $200$ $\text{kHz}$. Which power device is best suited for this purpose?

  1. $\text{IGBT}$
  2. Thyristor
  3. $\text{MOSFET}$
  4. $\text{BJT}$
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