a.
suppressor grid.
c.
screen grid.
b.
control grid.
d.
plate.
11. The use of semiconductors in equipment design results in smaller and
lighter electronic equipment. This is made possible because semiconductors have
a.
large size and low current.
b.
c.
low current and low heat emission.
d.
12. A process known as doping is used in making semiconductor material to
a.
change the electrical characteristics of the material.
b.
fuse together N-and P- type materials.
c.
change the material into an insulator.
d.
crystallize the material.
13. One element that is added to semiconductor material to create an N-type
material is
a.
oxygen.
c.
b.
indium.
d.
phosphorus.
14. When a piece of N-and a piece of P-type semiconductor material are
pressed together, a diode is formed.
The joining also creates a voltage that is
best described as a
a.
bias voltage.
c.
b.
barrier voltage.
d.
positive voltage.
15. The three elements of a transistor are known as the
a.
collector, base, and emitter.
b.
emitter, grid, and collector.
c.
collector, cathode, and grid.
d.
base, collector, and cathode.
16. The transistor type is determined by its construction.
An NPN transistor
is made with the
309 L1
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