Compared to transistor, _________ have lower on state conduction losses and higher power handling capability?

Related Mcqs:

1. The IGBT resulted in higher switching speed and lower energy losses. It can be used for___________?

   A. Uninterruptible power supplies
   B. Induction heating system
   C. Constant voltage and frequency power supplies
   D. All of these

2. For a buck converter to reduce the conduction losses in diode

   A. A high on – resistance switch can be added in parallel
   B. A low on – resistance switch can be added in parallel
   C. A high on – resistance switch can be added in series
   D. A low on – resistance switch can be added in series

3. The conduction losses in IGBT is____________?

   A. More than that of MOSFET
   B. Lower than that of MOSFET
   C. Equal to that of MOSFET
   D. Equal to that of BJT

4. Power transistor are type of___________?

   A. B.JTs
   B. MOSFETs
   C. IGBTs
   D. All of above

5. Which of following is not a power transistor?

   A. IGBTs
   B. COOLMOS
   C. TRIAC
   D. SITS

6. Which of following devices has highest di/dt and dv/dt capability?

   A. SIT
   B. SITH
   C. GTO
   D. SCR

7. During which time maximum conduction spreading take place in the thyristor during turn ON?

   A. Delay time
   B. Spread time
   C. Rise time
   D. Same for every case

8. A MOSFET, for its conduction uses_____________?

   A. Only minority carriers
   B. Only majority carriers
   C. Both minority and majority carriers
   D. None of these

9. For power output higher than 15 kW, the suitable rectifier is________________?

   A. Single phase
   B. 3 phase
   C. Poly phase
   D. Only (b) and (c)

10. In BJT, switching losses occurs___________?

    A. Only at turn – on
    B. Only at turn – off
    C. Both at turn on and off
    D. None of these