Asociacion de resistencias

Ejercicios de resistencias

1. ASOCIACION DE RESISTENCIAS
EJERCICOS
Encontrar la Resistencia equivalente de los siguientes circuitos

1.






Req = ??????1+??????2+??????3+??????4+??????5
Req = 10+5+2+8+20
Req = 45Ω


2.







1
??????????????????
=
1
??????1
+
1
??????2
+
1
??????3
+
1
??????4

1
??????????????????
=
1
1,5 ??????Ω
+
1
10 ??????Ω
+
1
4,7 ??????Ω
+
1
100 ??????Ω

1
??????????????????
= 0,98 ??????Ω

2. 1=0,98 ??????Ω∗??????�
1
0,98
=??????�
1,02 ??????Ω=??????�


3.













R1=1000Ω R2=3000Ω R3=8, 2Ω
R4=16Ω R5=75Ω R6=82Ω
R7=150Ω R8=160Ω R9=51Ω
R10=130Ω R11=60Ω R12=50Ω
R13=78, 2Ω R14=15Ω RA=52, 91Ω
RB=36, 63Ω RC=27, 24Ω RD=120,44Ω
Re=127, 91Ω RF=62, 11Ω RG=78, 11Ω
RH=168, 2Ω RI=53, 47Ω RE=4090, 1Ω

3. PROCESO


1.
1
??????�
=
1
??????6
+
1
??????7

1
??????�
=
1
82 Ω
+
1
150 Ω

1
??????�
=0,0189 Ω
1
0,0189 Ω
=52,91 Ω





2,
1
??????�
=
1
??????9
+
1
??????10

1
??????�
=
1
51 Ω
+
1
130 Ω

1
??????�
=0,0273 Ω
1
0,0273 Ω
=36,63 Ω

4. 3.
1
??????�
=
1
??????11
+
1
??????12

1
??????�
=
1
60 Ω
+
1
50 Ω

1
??????�
=0,0367 Ω
1
0,0367 Ω
=27,24 Ω


4.
??????�=??????14+??????13+??????�
??????�=15 Ω+78,2 Ω+27,24 Ω
??????�=120,44 Ω





5.
????????????=??????5+??????�
????????????=75 Ω+52,91 Ω
????????????=127,91 Ω






RD

5. 6.
1
??????�
=
1
????????????
+
1
??????�

1
??????�
=
1
127,91 Ω
+
1
120,44 Ω

1
??????�
=0,0161 Ω
1
0,0161 Ω
=62,11 Ω



7.
??????�=??????4+??????�
??????�=16 Ω+62,11 Ω
??????�=78,11Ω







8.
??????�=??????3+??????8
??????�=8,2 Ω+160 Ω
??????�=168,2Ω

6. 9.
1
??????�
=
1
??????�
+
1
??????�

1
??????�
=
1
78,11 Ω
+
1
168,2 Ω

1
??????�
=0,0187 Ω
1
0,0187 Ω
=53,47 Ω



10.
??????�=??????1+??????2+??????�+??????�
??????�=1000 Ω+3000 Ω+53,47 Ω+36,63 Ω
??????�=4090,1 Ω