元となった辞書の項目
ratiometer
noun
A
measurement
device
used
in
ohmmeters,
having
two
coils,
one
connected
via
a
series
resistor
to
the
battery
supply
and
the
other
connected
to
the
same
battery
supply
via
a
second
resistor
and
the
resistor
under
test.
The
indication
on
the
meter
was
proportional
to
the
ratio
of
the
currents
through
the
two
coils.
意味（1）
A
measurement
device
used
in
ohmmeters,
having
two
coils,
one
connected
via
a
series
resistor
to
the
battery
supply
and
the
other
connected
to
the
same
battery
supply
via
a
second
resistor
and
the
resistor
under
test.
The
indication
on
the
meter
was
proportional
to
the
ratio
of
the
currents
through
the
two
coils.
