I.C.E Supertester 680 R - Technical Reference Points; Ohms Law and Basic Formulas

TECHNICIAN'S
REIERENGE
P()INTS
VV
oHM'SLAW
l-_.
R=_.
v:R.l
RI
w
W=V.li
W:-;
W=12.R;
R
CAPACITORS
IN
SERIES
Ihe
total value
(ci
=
total
capacity)
0f a
certain
number
0f
capacitors
in series
cr
+
c,
+
c'1
6tc.
is the
following:
1
C,=
1'1
I
-+-+-
etc.
cl
c2
ca
ln
the
event
o{ only.two
capacitors
in series
*X.,
1,lr*o*'ty
(c,
=
total capacity)
is
equal
to:
i.
=
--^-l-l-
Lrtuz
GAPACITORS
I}I
PARAILEL
lho total
value
(ct
=
total
capacity)
of
a
certain
number
of capacitors
in
parallss
(cr
iL
c,
-l-
c,
etc.)
conespon"d
to
tte
,r,
oi
th. values
of
each
individual
capacitor
c,=c1*cz*
C, etc.
[hepower(Watts)measuredinathree-phasebalancedcircuitisequaltothevoltagemeasured
iiin'.rn-pt,ur.r,
multiplied
ov-ttre-cr.irient
(Ampere)
abs0rbed
by a
phase
by
1'73xcos-fi'
IIIUE
()F
TilE
VOTIAGES
AI{II
SII{USOIqAL
GUNREilTS
l.
t_
1R
t-
{*'*
of
Current
in
The
total_resjstive
value
(R*=total
resistance)
of
a certain
number
of resistors
in
is
equal
to
the
sum
of the
individual
values
0f
every resistor,
that
is:
RESISTI}RS
II{
PAMLLEI
Rr
*
R,
-F
R,
etc.
:
R,
The
total
resistive
value
(Rr
-
total
resistance)
of
a certain
number
of
resistors
in
parallet
i
1
R,:
111
+
-
etc.
ln
the
event
of onrv
two
resistors,n
o*'rrrrr,
t*or,ru
tljru,
n,
=
totar
resistance)
is
equar
RlXR,
D_
lli--
ae
Rr*R,
I=
w
R=_.
W
V
-
Voltage
in Volts
-
W
=
Power
in Watts
(the
RESISTORS
II{ SERIES
WW
R=_.
v=_.
v=
12
I
R=Resistance
in
Ohms
-
l-lntensity
Ietter
P
(power)
in
also
used)
AMPERES
I.M.S.
VALUE
AVIRAGE
VALUE
ruA(
VALUE
-
0.707
X
peak
vatue
-
1.11
X
average
value
-
0.637
X
peak
value
-
0.9
X
R'M'S'
value
-
t.4L4
X
R.M.S.
value
-
1.57
X
avelage
value