Electronics-semiconductor Principles
Electronics-semiconductor Principles
21. Electron pair bonding occurs when atoms:
- lack electrons
- share holes
- lack holes
- share electrons
23. What is a type of doping material?
- extrinsic semiconductor material
- pentavalent material
- n-type semiconductor
- majority carriers
25. If conductance increases as temperature increases, this is known as a:
- positive coefficient
- negative current flow
- negative coefficient
- positive resistance
26. Which of the following cannot actually move?
- majority carriers
- ions
- holes
- free electrons
27. What electrical characteristic of intrinsic semiconductor material is controlled by the addition of impurities?
- conductivity
- resistance
- power
- all of the above
28. The forward voltage drop for a germanium transistor is 0.7 V and for a silicon transistor is 0.3 V.
- TRUE
- FALSE
29. When a depletion region of a transistor is large the barrier voltage is also large.
- TRUE
- FALSE