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Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
book

Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition

by John G. Webster, Halit Eren
February 2014
Intermediate to advanced content levelIntermediate to advanced
1921 pages
82h 13m
English
CRC Press
Content preview from Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
18-6 Electrical Variables
forces that the oscillations of the coil in the magnetic eld exert on the coil active sides. It can be
pr
oved[1]
th
at
th
e
os
cillation
da
mping
is a fu
nction
of th
e
co
il
ci
rcuit
re
sistance,
th
at
is
,
th
e
co
il
re
sis-
tance
r pl
us
th
e
eq
uivalent
re
sistance
of th
e
ex
ternal
ci
rcuit
co
nnected
to th
e
ga
lvanometer
. In pa
rticu-
lar,
t
he
d
amping
e
ect
i
s
n
il
i
f
t
he
c
oil
c
ircuit
i
s
o
pen
a
nd
m
aximum
i
f
t
he
c
oil
i
s
s
hort-circuited
.
In pr
actical
sit
uations,
a re
sistor
is co
nnected
in se
ries
wi
th
th
e
mo
ving
co
il,
wh
ose
re
sistance
is
se
lected
in su
ch
a wa
y
to re
alize
a cr
itical
da
mping
of th
e
co
il
mo
vement
. Wh
en
th
is
sit
uation
is ob
ta ...
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Publisher Resources

ISBN: 9781439848913