31. How many terminals does a silicon-controlled switch (SCS) device have?
(a) 2
(b) 3
(c) 4
(d) 5
32. Which of the following parameters are usually provided by the manufacturer on the specification sheet for SCRs?
(a) Turn-on time (ton )
(b) Turn-off time (toff )
(c) Junction and case temperatures (tj and tc )
(d) All of the above
33. This symbol is an example of a(n) ________.
(a) SCR
(b) SCS
(c) GTO
(d) diac
34. Which of the following devices has the smallest turn-off time?
(a) SCR
(b) GTO
(c) SCS
(d) LASCR
35. Which of the following devices has nearly the same turn-on time as turn-off time?
(a) SCR
(b) GTO
(c) SCS
(d) LASCR
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