An SCR is turned off when its turn-off time is

1.	An SCR is turned off when its turn-off time is
A.	less than the circuit time constant
B.	greater than the circuit time constant
C.	less than the circuit turn-off time
D.	greater than the circuit turn-off time
Answer» D. greater than the circuit turn-off time

Discussion

No Comment Found

Related MCQs

SCRs with a rating of 1000 V & 200 A are available to be used in a string to handle 6 KV & 1 KV. Calculate the number of series & parallel units required in case the de-rating factor is 0.1. (Round off the fraction to the greatest & nearest integer)
Two parallel connect SCRs have same voltage drop (Vt) having rated current = 2I1. SCR-1 carries a current of I1=2.6 A whereas SCR-2 carries a current of I2=1.4 A. Find the string efficiency.
Inversion failure in naturally commutated circuits used for motor loads leads to
A unijunction transistor (UJT) is used to generate a ____ wave
A triac is a _____ switch.
Match List-I with List-II and select the correct answer using the code given below the Lists:List - IList – IIA. di / dt rating limits1. Snubber circuitB. dv / dt rating limits2. heat sinkC. i2t limit3. Series reactorD. Junction temperature limit4. Fuse
_______is a 5-layer bi-directional device which can be triggered into conduction by both, positive and negative voltage at its anodes and with both, positive and negative triggering pulses at its gate
A unijunction transistor (UJT) is used to ________
An SCR has \({V_{DRM}} = 600\;V,\;{\left( {\frac{{dv}}{{dt}}} \right)_{max}} = 25\frac{V}{{\mu s}},\;and\;{\left( {\frac{{di}}{{dt}}} \right)_{max}} = 30\;A/\mu s\). It is used to energize a 100 Ω resistance load. What are the minimum values for an RC snubber circuit to avoid unintentional triggering? (VDRM means peak repetitive forward blocking voltage)
Consider the following statements:SCR can be turned on by1. Applying anode voltage at a sufficiently fast rate2. Applying sufficiently large anode voltage3. decreasing the temperature of SCR4. Applying sufficiently large gate currentWhich of the above statements are correct?

An SCR is turned off when its turn-off time is

Discussion

No Comment Found

Related MCQs

Reply to Comment