Varactor Diode objective questions and answers

21. The varactor is usually

   A.Unbiased

   B.Reverse biased

   C.Forward biased

   D.In the breakdown region

22. The varactor is also known as

   A.Epicap

   B.Varicap

   C.Tuning diode

   D.All of the above

23. The varactor is also known as

   A.Varicap

   B.Bulk diode

   C.Step recovery diode

   D.Auto-electronic diode

24. The capacitance of varactor varies...........

   A.Inversely with reverse voltage

   B.Very slightly independent of reverse voltage

   C.Independent of reverse voltage

   D.Directly with reverse voltage

25. Varactor diodes are used in FM receivers to obtain

   A.Automatic frequency control

   B.Automatic noise control

   C.Automatic volume control

   D.Automatic gain control

< 1 2 3 4 5 6 7 8 9 10 Next>