Last Updated：2025/12/29
Sentence
An
appearance
of
a
corona
may
produce
useful
or
undesirable
effects.
For
instance,
a
corona
arising
spontaneously
around
high-voltage
wires
of
an
electrical
power
transmission
line
results
in
a
loss
of
electrical
energy.
On
the
other
hand,
coronas
are
widely
used
in
many
practical
applications
like
dust
collection
with
electrical
precipitators,
atmospheric
pressure
non-thermal
plasma
surface
treatment
of
polymers,
cleaning
of
exhausted
gases,
etc.
Quizzes for review
An appearance of a corona may produce useful or undesirable effects. For instance, a corona arising spontaneously around high-voltage wires of an electrical power transmission line results in a loss of electrical energy. On the other hand, coronas are widely used in many practical applications like dust collection with electrical precipitators, atmospheric pressure non-thermal plasma surface treatment of polymers, cleaning of exhausted gases, etc.
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