Solid-State Devices And Power Supplies
Name the two types of current flow in a
electron flow and current flow
semiconductor.
What is the name given to a piece of
pure semiconductor material that has an
equal number ofelectrons and holes?
INTRINSIC
P-Type crystal
What is the name given to a doped
germanium crystal with an excess of free
holes?
,What are the majority carriers in an N-
type semiconductor?
Electrons
To convert alternating current into direct
current by permitting current flow in
only one direction.
What is the purpose of a PN junction
diode?
In reference to the schematic symbol for
a diode, do electrons flow toward or
away from thearrow?
Toward the arrow
What type of PN diode is formed by
using a fine metal wire and a section of
N-type semiconductormaterial?
Point-contact
, What are the majority carriers in a P-
type semiconductor?
Electron holes
"Conduction in which type of
semiconductor material is similar to
conduction in a copper wire?"
N-type material
What is the name of the area in a PN
junction that has a shortage of electrons
and holes?
Depletion region