In a flyback converter, the inductor of the buck-boost converter has been replaced by a_____________?

Related Mcqs:

1. 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

2. A single phase ac – dc converter is also known as____________?

   A. rectifier
   B. inverter
   C. chopper
   D. regulator

3. The control method used for PWM dc – dc converter is______________?

   A. Voltage mode control
   B. Current mode control
   C. Hysteric control
   D. All of these

4. During the commutation period in 3 phase converter, overlap time is_____________?

   A. Dependent on the load current
   B. Dependent on the voltage
   C. Dependent on both the load current and load voltage behind the short circuit current
   D. Independent on both the load current and load voltage

5. In a three phase converter, the number of notches per cycle is____________?

   A. One
   B. Three
   C. Six
   D. Nine

6. The advantage of using free – wheeling diode in half controlled bridge converter is that

   A. There is always a path for the dc current independent of the ac line
   B. There is always a path for the ac current independent of the ac line
   C. There is always a path for the dc current dependent of the ac line
   D. There is always a path for the ac current independent of the ac line

7. For commutation in three phase PAC, normally balanced three phase voltages VR, VY and VB are connected to the three legs of the converter via______________?

   A. Three inductances
   B. Three capacitances
   C. Three resistance
   D. Three transistors

8. Advantages of Cuk converter is / are_____________?

   A. Large number of reactive component
   B. Low stress on switch
   C. Low stress on capacitor
   D. None of these

9. In a push – pull converter, the filter capacitor can be obtained as____________?

   A. Cmin = V / ( Vr L f2 )
   B. Cmin= ( 1 – D ) V / ( Vr L f2 )
   C. Cmin= ( 1 – 2 D ) V / 32 ( Vr L f2 )
   D. Cmin= ( 1 – 2 D ) V / 42 ( Vr L f2 )

10. During the commutation period in 3 phase converter, overlap time is____________?

    A. Dependent on the load current
    B. Dependent on the voltage
    C. Dependent on both the load current and load voltage behind the short circuit current
    D. Independent on both the load current and load voltage