Páginas: 3 (655 palabras) Publicado: 11 de julio de 2012
i (t ) =

dq ( t ) dt

q (t ) =
ti

t

i ( t ) dt + q ( t i )

i ( t ) = 2 [ A]

0 < t 1 10 3 [ s]

(t1, i1 ) = (1 ms, 2 A ); (t 2 , i2 ) = ( 3 ms, 5 A )
i (t ) = i i i2 i1 t + i1 t12 1 t 2 t1 t 2 t1

[ A]

5 2 5 2 t + 2 1 10 3 3 3 3 10 1 10 3 10 3 1 10 3000 1 [ A] i (t ) = t+ 1 10 3 t < 3 10 3 [ s] 2 2 i (t ) =
t ti

3

[ A]

1 10

3

t < 3 10 3 [ s]

kt n dt =k (t n+1 tin+1 ) n +1

ti

q ( t ) = 2t + q ( 0 ) [ C]
3000 2 1 q (t ) = t + t 4 2

0 < t 1 10 3 [ s]
ti

5 + q (1 10 3 ) [ C] 4000

1 10

3

t < 3 10 3 [ s]

q0

310

3

=q ( 3 10 3 ) q ( 0 ) [ C]

3000 1 5 ( 3 10 3 )2 + ( 3 10 3 ) + q (1 10 3 ) [ C] 4 2 4000 q (1 10 3 ) = 2 (1 10 3 ) + q ( 0 ) [ C] q ( 0 ) = q ( 0 ) [ C] q ( 3 10 3 ) =
q( 310
3

)

q0

3103

=

3000 1 5 ( 3 10 3 )2 + ( 3 10 3 ) + 2 (1 10 3 ) + q ( 0 ) q ( 0 ) [ C] 4 2 4000 3
q(110

)

q0

310

3

=

9 [ C] = 9 10 1000

3

[ C]

=

9 [ mC]

q0

310

3= A + B + C [ C]
A= 2 1000

2

1 1000
B= 4 1000

q0

310

3

=

+2

1 3 1000 1000
2 1000 C= 3 1000

[ C]

+ 1 (5 2) 2
3

1 3 1000 1000
2 1000

q0

310

3

=

9 [C] 1000

=

9 [ mC]

m

R=

R

Longitud [ m ] Área [ m 2 ]

R1 = ( 4 10 3 )

( 0,25 ) 1000 [ ] = 9 ( 3 10 3 )2

R2 = ( 6 10 3 )

( 0, 4 )

( 3 10 )

3 2

=

800 [ ] 3R1 111,11 [ ]

R2

266,67 [ ]

Vab = Vax + Vxb

Vab = RT I = Vax + Vxb = R1 I + R2 I

RT = R1 + R2

RT =

3400 9

377, 78 [ ]

1000 17 =

58,82 [ Hz ]

3

7,07

A010 = =5 2 2 2

[Vrms ]

a ( t ) = 10sen 2

f=

30° 1000 t + 60° = 10 cos 2000 t +60° 90° 17 17 1 1 T Hz= s

[ V]

a ( t ) = 10sen 2000 = 10 cos 2000 t + 60° t 30° 17 17

36

[ V]

a ( t ) 10sen ( 369,599t +1,04719755 ) 10 cos ( 369,599t + 0,52359877 ) [ V]

fem = 0 [ V]

V1 V2 V4 V3 = 0 V4 = V1 V2 V3 V4 = ( 4 ) ( 3) ( 2 ) [ V] V4 = 1 [ V]

P = ±V

I...

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