(1) Dielectric
27.
What is the symbol and the definition for the term "dielectric constant"?
constant (k)
(2) Plate area
SYMBOL
(A)
(3) Distance
DEFINITION:
between
plates (d)
k
28.
List the tree factors which determine the capacitance of a capacitor.
The ability of a
(1)
material to
(2)
support an
(3)
electrostatic field
as compared to
air.
(1) Dielectric
29.
All capacitors are rated as to their DC working voltage (DCWV). This is the
constant (k)
maximum DC voltage they can be safety applied across the capacitor without
(2) Plate area
(A)
danger of breaking down the dielectric and arcing between the plates.
(3) Distance
The maximum value of DC voltage that can be safely applied across a capacitor is
between
plates (d)
called the
.
DC working
30.
The DC working voltage (DCWV) is normally printed or stamped on the body of
voltage
the capacitor.
or
For example: A capacitor has 100 DCWD printed on the body.
DCWV
This indicates that
volts is the
DC
voltage that can be safely applied to that capacitor without danger of arcing
between the plates.
1-10
IT0351
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