formulas de electricidad y electronica

Prévia do material em texto

FÓRMULAS DE ELECTRICIDAD Y ELECTRÓNICA 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
s
l
R ⋅= ρ Rt = R0 · (1 + α·∆t) 
R
V
I = 
 
)(
)(
1084,8)(
2
8
cmd
cmS
KFC ⋅⋅⋅= −µ 
vc = V· (1 – e
- t/R·C) 
 
Tc = 5·R·C 
vd = V· e
- t/R·C 
 
Td = 5·R·C 
µ 
)( 
)( ·
 10 257,1)(
22
8- ⋅⋅⋅=
cml
cmSN
HL 
V
Q
C =
t
Q
I = 
2
2
1
ILWL ⋅⋅= 
2
2
1
VCWC ⋅⋅=
 
RT(paralelo) = 
...
111
1
321
+++
RRR
 RT(serie) = R1 + R2 + R3 + ... 
CT(paralelo) = C1 + C2 + C3 + ... 
 
CT(serie) = 
...
111
1
321
+++
CCC
 
P = v · I 
(R1  R2 ) = 
21
21
RR
RR
+
⋅
 
(C1 y C2 en serie) = 
21
21
CC
CC
+
⋅
 
C
X C ⋅
=
ω
1
 XL = ω · L 
ω = 2π·f 
Circuito R-L-C serie 
22 )( CL XXRZ −+= 
Circuito R-L-C paralelo 
22
111
1






−+





=
CL XXR
Z