A Best Way To Crack Gorenment Job Exams

ECE Objective Questions { Power Semiconductor Devices and Their Applications }



8. A din, has ___ pn junctions.
A. four
B. two
C. three
D. none of the above

9. The device that does not have the gate terminal is
A. triac
B.FET
C. SCR
D. diac

10.  A diAc has ____ semiconductor layers.
A. three
B. two
C. four
D. none of the above

11.  A UJT has
A. two pn junctions
B. one pn junction
C. three pn junctions
D. none of the above

12. The normal way to turn on a diac is by
A. gate current
B. gate voltage
C. breakover voltage
D. none of the above

13. A diac is ____ switch.
A. an a.c.
B. a d.c.
C. a mechanical
D. none of the above

14.  In a UJT, the p.type emitter is ____ doped.
A. lightly
B. heavily
C. moderately
D. none of the above

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