1
Fórmulas e constantes
µo = 4π x 10-7 H/m
ε0 = 1/36π x 10-9 ≈ 9 x 10-12 F/m A A
A) ( ) 2
(∇× =∇ ∇⋅ −∇
×
∇
) ( ) ( )
(B C B A C C A B
A
× × = ⋅ − ⋅
(E D B H)
U
⋅ + ⋅
=1/2 U = 1/2 C V2 U = 1/2 L I2
H B
=µ
E D
=ε
B l Id F d
= × H E S
= ×
2 =0
∇ ϕ ρ
=
⋅
∇ D
=0
⋅
∇ B
t E B
∂
−∂
=
×
∇
t J D
H ∂
+∂
=
×
∇
0
0 uˆ E
c B n
= ×
ϕ
−∇
= E
Q = m cesp ∆T ) Re(
2 /
1 E H*
S
×
=
I l d B
=
⋅ µ0
dt dφ ε =−
2
0 ˆ
4 r
r l I d B
d = ×
π µ
⋅
= B dA φ
z z t t r r r t t
cil 1 ˆ ˆ
ˆ ∂
+ ∂
∂ + ∂
∂
= ∂
∇ φ
φ
( ) z
v v rv r
r
v r r z
cil ∂
+∂
∂ + ∂
∂
= ∂
⋅
∇ φ
1 φ
1
2 2 2 2 2
2 1 1
z t t r r r t r t r
cil ∂
+ ∂
∂ + ∂
∂
∂
∂
= ∂
∇ φ
v z r rv
r r v z r v z v v
v r z r z r
cil 1 ˆ ˆ 1 ( ) ˆ
∂
−∂
∂ + ∂
∂
−∂
∂ + ∂
∂
−∂
∂
= ∂
×
∇ φ φ
φ φ
φ
!
