Maximum power loss occurs during_________________?
Maximum power loss occurs during_________________?
A. delay time
B. rise time
C. spread time
D. all
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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______________?
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 transistorsAn RC snubber network used in BJT__________?
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 theseDuring reverse recovery time__________________?
During reverse recovery time__________________?A. charge carrier of junction J2 recombined
B. charge carrier of junction J1 is swept out
C. charge carrier of junction J3 is swept out
D. both B and CMOSFET stands for______________?
MOSFET stands for______________?A. Metal – oxide semiconductor field effect transistor
B. Molybdenum – oxide semiconductor field effect transistor
C. Metal – oxide silicon field effect transistor
D. Metal – oxide semiconductor field effect transmitterON state voltage drop across SCR lie between the range_____________?
ON state voltage drop across SCR lie between the range_____________?A. 0 – 0.5 V.
B. 0.5 – 1 V.
C. 1 – 1.5 V.
D. 1.5 – 2 V.A step – down choppers can be used in___________?
A step – down choppers can be used in___________?A. Electric traction
B. Electric vehicles
C. Machine tools
D. All of these