Semiconductor - Semiconductor objective questions and answers

41. The crystal diode is used as a

   A.Rectifer

   B.Amplifier

   C.Oscillator

   D.Any of the above

42. Ripple factor is the ratio of ...value to ... value

   A.r.m.s., peak

   B. peak, D.C

   C.r.m.s., D.C

   D.peak, r.m.s

43. Addition of impurity in the ratio of 1 in 10 to a pure or intrinsic semiconductor

   A.Increases its conductivity nearly 10 times

   B.Increases its conductivity nearly 100 times

   C.Decreases its conductivity nearly 100 times

   D.Increases its resistivity nearly 100 times

44. With increases of reverse bias, the reverse saturation current in P-N diode

   A.Increases

   B.Remains constant

   C.Increases

   D.Increases as inverse of reverse bias

45. The maximum reverse voltage that can be applied to an ordinary semiconductor diode without irreverslible damage is called .....

   A.Cut-off voltage

   B.Avalanche breakdown voltage

   C.Peak inverse voltage

   D.Zener voltage

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