At room temperature, an intrinsic silicon crystal acts approximately as_______________?

Related Mcqs:

1. At room temperature, an intrinsic semiconductor has_______________?

   A. Many holes only B. A few free electrons and holes C. Many free electrons only D. No holes or free electrons...

2. At absolute temperature, an intrinsic semiconductor has________________?

   A. A few free electrons B. Many holes C. Many free electrons D. No holes or free electrons...

3. The resistivity of a pure silicon is about _______________?

   A. 100 O cm B. 6000 O cm C. 3 x 105 O m D. 6 x 10-8 O cm...

4. In an intrinsic semiconductor, the number of free electrons_____________?

   A. Equals the number of holes B. Is greater than the number of holes C. Is less than the number of holes D. None of the above...

5. The strength of a semiconductor crystal comes from______________?

   A. Forces between nuclei B. Forces between protons C. Electron-pair bonds D. None of the above...

6. For faithful amplification by a transistor circuit, the value of VCE should______________for silicon transistor?

   A. Not fall below 1 V B. Be zero C. Be 0.2 V D. None of the above...

7. For faithful amplification by a transistor circuit, the value of VBE should_____________for a silicon transistor?

   A. Be zero B. Be 0.01 V C. Not fall below 0.7 V D. Be between 0 V and 0.1 V...

8. The leakage current in a silicon transistor is about_____________ the leakage current in a germanium transistor?

   A. One hundredth B. One tenth C. One thousandth D. One millionth...

9. A silicon transistor is biased with base resistor method. If ß=100, VBE =0.7 V, zero signal collector current IC = 1 mA and VCC = 6V , what is the value of the base resistor RB ?

   A. 105 kO B. 530 kO C. 315 kO D. None of the above...

10. A pn junction acts as a__________________?

    A. Controlled switch B. Bidirectional switch C. Unidirectional switch D. None of the above...