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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
27-1
Electric charge, a basic property of elementary particles, is dened by convention as negative for the
electron and positive for the proton. In 1910, Robert Andrews Millikan (1868–1953) demonstrated the
qu
antization
an
d
de
termined
th
e
va
lue
of th
e
el
ementary
ch
arge
by me
asuring
th
e
mo
tion
of sm
all
ch
arged
dr
oplets
in an ad
justable
el
ectric
e
ld
. e SI un
it
of ch
arge,
th
e
co
ulomb
(C
),
is de
ned
in te
rms
of b
ase
S
I
u
nits
a
s
1 c
oulomb
= 1 a
mpere
× 1 s
econd
(2
7
.1a
)
In terms of fundamental physical constants, the coulomb is measured in units of the elementary
ch
arge
e:
1C = 1.60217733 10
19
× e
(27.1b)
where
t
he
r
elative
u
ncertainty
i
n
t
he
v
a
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Publisher Resources

ISBN: 9781439848913