电磁场与电磁波第二版答案习题5.pdf
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5-1 a
5-1 L OABO
B L
θ 2 B
( )
d B ⋅ a
dΦ 2 1 2 S
ε − − Bωa B
d t dt 2
L
O →B ω
θ
O
a A
d Φ d v v v v v
ε − d t −d t ∫B ⋅d S ∫ v ×B ⋅d l
S l
5-1
2
a a
v v v v Bωa
v v v
ε v B l ωre e B l Bω r r
∫l × ⋅d ∫0 ( φ × z ) ⋅d ∫0 d 2
5-2 Q v v c a S
d
v c Q 5-2
z
v Q v
E ′2 er ′ Q • z
4πεr
θ0
r ′ z 2 +r 2 z / cosθ θ
v v r
v ∂D ∂E
J ε
d
∂t ∂t a y
ϕ r
v
v v ∂E v ∂ v v x
I J ⋅d S ε ⋅d S ε E ⋅d S
d ∫ d ∫
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