- A. Ω
- B. kΩ
- C. MΩ
- D. None of the above
Semiconductor Theory
-
A forward biased pn junction diode has a resistance of the order of_____.
-
A trivalent impurity has valence electrons_____.
- A. 4
- B. 5
- C. 6
- D. 3
-
A hole in a semiconductor is defined as_____.
- A. A free electron
- B. The incomplete part of an electron pair bond
- C. A free proton
- D. A free neutron
-
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
-
Addition of trivalent impurity to a semiconductor creates many_____.
- A. Holes
- B. Free electrons
- C. Valence electrons
- D. Bound electrons
-
As the doping to a pure semiconductor increases, the bulk resistance of the semiconductor_____.
- A. Remains the same
- B. Increases
- C. Decreases
- D. None of the above
-
With forward bias to a pn junction , the width of depletion layer_____.
- A. Decreases
- B. Increases
- C. Remains the same
- D. None of the above
-
The random motion of holes and free electrons due to thermal agitation is called ______.
- A. Diffusion
- B. Pressure
- C. Ionisation
- D. None of the above
-
A reverse biased pn junction has resistance of the order of_____.
- A. Ω
- B. kΩ
- C. MΩ
- D. None of the above
-
At room temperature, an intrinsic silicon crystal acts approximately as_____.
- A. A battery
- B. A conductor
- C. An insulator
- D. A piece of copper wire