1. The movement of free electrons in a conductor is called
2. For a forward-biased diode, the barrier potential ________ as temperature increases.
3. The wide end arrow on a schematic indicates the ________ of a diode.
4. An n-type semiconductor material
5. For a forward-biased diode, as temperature is ________, the forward current ________ for a given value of forward voltage.
6. Which statement best describes an insulator?
7. Effectively, how many valence electrons are there in each atom within a silicon crystal?
8. The boundary between p-type material and n-type material is called
9. You have an unknown type of diode in a circuit. You measure the voltage across it and find it to be 0.3 V. The diode might be
10. An ideal diode presents a(n) ________ when reversed-biased and a(n) ________ when forward-biased.
11. A reverse-biased diode has the ________ connected to the positive side of the source, and the ________ connected to the negative side of the source.
12. What types of impurity atoms are added to increase the number of conduction-band electrons in intrinsic silicon?
13. What factor(s) do(es) the barrier potential of a pn junction depend on?
14. An atom is made up of
15. Reverse breakdown is a condition in which a diode
16. There is a small amount of current across the barrier of a reverse-biased diode. This current is called
17. As the forward current through a silicon diode increases, the voltage across the diode
18. Doping of a semiconductor material means
19. The forward voltage across a conducting silicon diode is about
20. The most common type of diode failure is a(n) ________.
21. What occurs when a conduction-band electron loses energy and falls back into a hole in the valence band?
22. The maximum number of electrons in each shell of an atom is
23. A silicon diode is forward-biased. You measure the voltage to ground from the anode at ________, and the voltage from the cathode to ground at ________.
24. The term bias in electronics usually means
25. A reverse-biased silicon diode has about 0.7 V across it.