Diac Multiple Choice Questions And Answers


41. 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


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B.Breakover voltage

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42. 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


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D.Pair of four-layer SCRs

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43. A diac is ....... switch


   A.An A.C

   B.D.C

   C.Either of the above

   D.None of the above


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A.An A.C

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44. A triac is a ..... switch


   A.Unidirectional

   B.Bi-directional

   C.Either of the above

   D.None of the above


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B.Bi-directional

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45. CB transistor has


   A.Lower input and higher output resistances

   B.Low input and output resistances

   C.Higher input and lower output resistances

   D.None of the above


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A.Lower input and higher output resistances

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