From which instant is the turn off time of a thyristor defined – McqOptions

MCQOPTIONS

1.	From which instant is the turn off time of a thyristor defined
A.	when anode voltage becomes zero
B.	when anode current becomes zero
C.	when both anode voltage and current become zero
D.	none of the above
Answer» C. when both anode voltage and current become zero

Discussion

No Comment Found

Related MCQs

Current derating may be necessary when thyristors are operating in
Assertion (A): Snubber circuit has an RC series circuit in parallel with SCRReason (R): Voltage across a capacitor can not change instantaneously.
A 3 phase bridge inverter is fed by 400 V battery. The load is star connected and has a resistance of 10 Ω per phase. The peak value of load current is
The leads in a TRIAC are denoted by
Assertion (A): A transistor has lower voltage drop during conduction as compared to thyristorReason (R): Transistors are manufactured in very high voltage and current ratings.
A single phase semiconverter is feeding a highly inductive load. The circuit has a freewheeling diode across the load and firing angle is α. During one cycle of input voltage, the total duration of conduction of freewheeling diode is
The number of doped regions in a SCR is
The minimum gate current which can turn on SCR is called :
A cycloconverter is
When a dc chopper feeds an RLE load, the load current, during steady state operation