A. To minimize the loss
B. To minimize the charging current
C. To minimize the discharging current
D. All of these
Related Mcqs:
- The function of snubber circuit connected across the SCR is to___________?
A. Suppress dV / dt.
B. Increase dV / dt.
C. Decrease dV / dt.
D. Decrease di / dt. - Snubber circuit is used with SCR_________________?
A. in series
B. in parallel
C. either series or parallel
D. anti parallel - An RC snubber network used in BJT__________?
A. Divert the collector current during turn – off
B. Improves the reverse bias safe operating area
C. Dissipates a fair amount of switching power
D. All of these - An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be_____?
A. 1500 A.
B. 6000 A.
C. 2121.32 A.
D. 4242.64 A. - Which of following devices has highest di/dt and dv/dt capability?
A. SIT
B. SITH
C. GTO
D. SCR - 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 - IGBT stands for___________?
A. Insulated gate bipolar transistor
B. Insulated gate bidirectional transistor
C. Inductive gate bipolar transistor
D. Inductive gate bidirectional transistor - The main objective of static power converters is to____________?
A. Obtain an dc output waveform from a dc power supply
B. Obtain an ac output waveform from a dc power supply
C. Obtain an dc output waveform from a dc power supply
D. Obtain an ac output waveform from a ac power suppl - The on – state voltage drop of IGBT consists of__________?
A. Drop across the collector junction
B. Drop across the drift region
C. Drop across MOSFET portion
D. All of these - The ac voltage controller can be used for ___________?
A. Lighting and heating control
B. On – line transformer tap changing
C. Soft starting
D. All of these
