1. 4/3 V, 2 Ω
2. 4 V, 2/3 Ω
3. 4/3 V, 2/3 Ω
4. 4 V, 2 Ω
4 V, 2 Ω
1. 0
2. 1
3. 2
4. 3
2
1. P × ∇ × P − ∇2 P
2. ∇2 P + ∇ (∇ • P )
3. ∇2 P + ∇ × P
4. ∇ (∇ • P ) − ∇2 P
∇ (∇ • P ) − ∇2 P
1. 0.50 exp(-25t)mA
2. 0.25 exp(-25t)mA
3. 0.50 exp(-12.5t)mA
4. 0.25 exp(-6.25t)mA
0.50 exp(-25t)mA
1.
2.
3.
4.
1. 0.5
2. 1
3. 0.5α
4. α
0.5α
1. 0
2. 5
3. 12.5
4. 17
17 <30°
1. e-2t u(t)
2. e2t u(t)
3. e-t u(t)
4. et u(t)
e-2t u(t)
1. A(ω)=C ω2 , (ω)=k ω3
2. A(ω)=C ω2 , ?(ω)=k ω
3. A(ω)=C ω , ?(ω)=k ω3
4. A(ω)=C , ?(ω)=k ω-1
A(ω)=C ω2 , ?(ω)=k ω
1. VD < 0
2. 0 ≤ VD < Vp
3. Vp ≤ VD < Vv
4. VD ≥ Vv
Vp ≤ VD < Vv