DIAC MCQS
Q) A DIAC is equivalent to a …….
- A.Triac with two gates
- B.Diode and two resistors
- C.Pair of SCRs
- D.Pair of four-layer SCRs
Q) The normal way to turn on a DIAC is by …..
- A.Gate current
- B.Breakover voltage
- C.Either of the above
- D.None of the above
Q) A diac is ……. switch
- A.An A.C
- B.D.C
- C.Either of the above
- D.None of the above
Q) How many terminals does diac have?
- A.1
- B.2
- C.3
- D.4
Q) Which is an example of diac……
- A.optoNCDTILR1030
- B.optoNCDTILR1420
- C.NTE6408
- D.eddyNCDT3301
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Q) Diac is unidirectional device.
- A.TRUE
- B.FALSE
Q) Diac act as a AC switch.
- A.TRUE
- B.FALSE
Q) What is the breakdown voltage of three layered DIAC.
- A.30 VOLT
- B.40 VOLT
- C.50 VOLT
- D.20 VOLT
Q) How many layers of semiconductor does a Diac have?
- A.1
- B.2
- C.3
- D.4
Q) Full form of SIDAC is……
- A.SILICON DIODE FOR ALTERNATING CURRENT
- B.SILICATE DIODE FOR ALTERNATING CURRENT
- C.SILICON DIOXIDE FOR ALTERNATING CURRENT
- D.SILICON DIODE FOR ANALOGOUS CURRENT
Q) The SIDAC does not conduct below a break over voltage.
- A.TRUE
- B.FALSE
Q) DIAC start conducting after some threshold voltage.
- A.TRUE
- B.FALSE
Q) Full form of DIAC.
- A.Diode for alternating current
- B.Diode attenuating current
- C.Dioxde for analogous current
- D.Diode analogous current
Q) DIAC does not work with dc voltage.
- A.TRUE
- B.FALSE
