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請輸入英文單字,中文詞皆可:
voltage 音標拼音: [v'oltədʒ] [v'oltɪdʒ]
XDict
n
. 電壓,伏特數
PyDict
電壓,伏特數
Taiwan
MOE
computer
dictionary
(
moecomp
)
voltage
電壓調整率
Network
Terminology
(
netterm
)
voltage
電壓
WordNet
(
r
)
3
.
0
(
2006
) (
WordNet
)
voltage
n
1
:
the
rate
at
which
energy
is
drawn
from
a
source
that
produces
a
flow
of
electricity
in
a
circuit
;
expressed
in
volts
[
synonym
: {
voltage
}, {
electromotive
force
}, {
emf
}]
2
:
the
difference
in
electrical
charge
between
two
points
in
a
circuit
expressed
in
volts
[
synonym
: {
electric
potential
},
{
potential
}, {
potential
difference
}, {
potential
drop
},
{
voltage
}]
The
Collaborative
International
Dictionary
of
English
v
.
0
.
48
(
gcide
)
Voltage
\
Vol
"
tage
\,
n
. (
Elec
.)
Electric
potential
or
potential
difference
,
expressed
in
volts
.
[
1913
Webster
]
The
Free
On
-
line
Dictionary
of
Computing
(
foldoc
)
(
Or
"
potential
difference
", "
electro
-
motive
force
" (
EMF
))
A
quantity
measured
as
a
signed
difference
between
two
points
in
an
electrical
circuit
which
,
when
divided
by
the
{
resistance
}
in
{
Ohms
}
between
those
points
,
gives
the
current
flowing
between
those
points
in
{
Amperes
},
according
to
{
Ohm
'
s
Law
}.
Voltage
is
expressed
as
a
signed
number
of
Volts
(
V
).
The
voltage
gradient
in
Volts
per
metre
is
proportional
to
the
force
on
a
charge
.
Voltages
are
often
given
relative
to
"
earth
"
or
"
ground
"
which
is
taken
to
be
at
zero
Volts
.
A
circuit
'
s
earth
may
or
may
not
be
electrically
connected
to
the
actual
earth
.
The
voltage
between
two
points
is
also
given
by
the
charge
present
between
those
points
in
{
Coulombs
}
divided
by
the
{
capacitance
}
in
{
Farads
}.
The
capacitance
in
turn
depends
on
the
{
dielectric
constant
}
of
the
insulators
present
.
Yet
another
law
gives
the
voltage
across
a
piece
of
circuit
as
its
{
inductance
}
in
{
Henries
}
multiplied
by
the
rate
of
change
of
current
flow
through
it
in
Amperes
per
second
.
A
simple
analogy
likens
voltage
to
the
pressure
of
water
in
a
pipe
.
Current
is
likened
to
the
amount
of
water
(
charge
)
flowing
per
unit
time
.
(
1995
-
12
-
04
)
English
-
German
(
Internet
Dictionary
Project
)
Spannung
(
f
)
Stromspannung
(
f
)
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