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
Related Mcqs:
- In a flyback converter, the inductor of the buck-boost converter has been replaced by a_____________?
A. Flyback capacitor
B. Flyback resistor
C. Flyback transformer
D. Flyback transistor - 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 - The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is___________?
A. 130 μs
B. 135 μs
C. 140 μs
D. 145 μs - The input current waveform of a bridge controlled rectifier when the load is perfectly filtered is___________?
A. Sine wave
B. Square wave
C. Saw – tooth wave
D. Trapezoidal wave - The maximum firing angle in the half wave controlled regulator is_____________?
A. 180 degree
B. 190 degree
C. 200 degree
D. 210 degree - A single phase ac – dc converter is also known as____________?
A. rectifier
B. inverter
C. chopper
D. regulator - In a three phase converter, the number of notches per cycle is____________?
A. One
B. Three
C. Six
D. Nine - 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 - 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 - 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
