វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Rheostat
ENGLISH MEANING
noun
1.
A
contrivance
for
adjusting
or
regulating
the
strength
of
electrical
currents
,
operating
usually
by the
intercalation
of
resistance
which
can be
varied
at
will
.