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REPÚBLICA BOLIVARIANA DE VENEZUELA
INSTITUTO UNIVERSITARIO
POLITÉCNICO “SANTIAGO MARIÑO”
EXTENSIÓN MATURÍN
Circuitos Eléctricos
Autor: Luis Golindano C.I: 20.000.213
Maturín, Febrero 2017
Respuesta 1.
1
𝑅𝑇
=
1
1
𝑅1
+
1
𝑅2
+
1
𝑅3
1
𝑅𝑇
=
1
1
10
+
1
20
+
1
15
1
𝑅𝑇
=
1
13
60
𝑅𝑇 = 4,62𝛺
𝐼𝑡 =
𝑉
𝑅𝑇
=
100
4,62
= 21,65 𝑎𝑚𝑝
𝐼1 =
𝑅𝑇
𝑅1
𝑥 𝐼𝑡 =
4,62
10
𝑥21,65 𝑎𝑚𝑝 = 10,00𝛺
𝐼2 =
𝑅𝑇
𝑅2
𝑥 𝐼𝑡 =
4,62
20
𝑥21,65 𝑎𝑚𝑝 = 5,00𝛺
𝐼3 =
𝑅𝑇
𝑅3
𝑥 𝐼𝑡 =
4,62
15
𝑥21,65 𝑎𝑚𝑝 = 6,67𝛺
Respuesta 2.
𝑅𝑒1 =
𝑅
𝑁
=
40
2
= 20𝛺
𝑅𝑒2 =
𝑅
𝑁
=
20
2
= 10𝛺
𝑅𝑇 =
10𝑥20
10 + 20
= 6.67𝛺
𝐼𝑡 =
𝑉
𝑅𝑇
=
100
6,67
= 14,99 ≅ 15 𝑎𝑚𝑝
𝐼1 =
𝑉
𝑅𝑒1
=
100
10
= 10 𝑎𝑚𝑝
𝐼2 =
𝑉
𝑅𝑒2
=
100
20
= 5 𝑎𝑚𝑝
Respuesta 3.
𝑅𝑇 = 𝑅1 + 𝑅2 + 𝑅3
𝑅𝑇 = 70𝛺 + 35𝛺 + 100𝛺
𝑅𝑇 = 205𝛺
Por divisor de tensión:
𝑉1 = 𝑅1𝑥
𝑉
𝑅𝑇
𝑉1 = 70𝛺𝑥
100𝑉
205𝛺
𝑉1 =
1400
41
𝑉
𝑉2 = 𝑅2𝑥
𝑉
𝑅𝑇
𝑉2 = 35𝛺𝑥
100𝑉
205𝛺
𝑉2 =
700
41
𝑉
𝑉3 = 𝑅3𝑥
𝑉
𝑅𝑇
𝑉3 = 100𝛺𝑥
100𝑉
205𝛺
𝑉1 =
2000
41
𝑉
Repuesta 4.
𝑅3,4 = 𝑅3 + 𝑅4
𝑅3,4 = 35 + 55 = 90𝛺
1
𝑅𝑇
=
1
1
𝑅1 +
1
𝑅2 +
1
𝑅34
1
𝑅𝑇
=
1
1
100
+
1
50
+
1
90
𝑅𝑇 = 24,32𝛺
𝐼𝑡 =
𝑉
𝑅𝑇
=
100
24,32
= 4,11 𝑎𝑚𝑝
𝐼1 =
𝑅𝑇
𝑅1
𝑥 𝐼𝑡 =
24,32
100
𝑥4,11 𝑎𝑚𝑝 = 0.99𝛺
𝐼2 =
𝑅𝑇
𝑅2
𝑥 𝐼𝑡 =
24,32
50
𝑥4,11 𝑎𝑚𝑝 = 1,99𝛺
𝐼34 =
𝑅𝑇
𝑅34
𝑥 𝐼𝑡 =
24,32
90
𝑥4,11 𝑎𝑚𝑝 = 1,11𝛺

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Divisor de tensión y corriente

  • 1. REPÚBLICA BOLIVARIANA DE VENEZUELA INSTITUTO UNIVERSITARIO POLITÉCNICO “SANTIAGO MARIÑO” EXTENSIÓN MATURÍN Circuitos Eléctricos Autor: Luis Golindano C.I: 20.000.213 Maturín, Febrero 2017
  • 2. Respuesta 1. 1 𝑅𝑇 = 1 1 𝑅1 + 1 𝑅2 + 1 𝑅3 1 𝑅𝑇 = 1 1 10 + 1 20 + 1 15 1 𝑅𝑇 = 1 13 60 𝑅𝑇 = 4,62𝛺 𝐼𝑡 = 𝑉 𝑅𝑇 = 100 4,62 = 21,65 𝑎𝑚𝑝 𝐼1 = 𝑅𝑇 𝑅1 𝑥 𝐼𝑡 = 4,62 10 𝑥21,65 𝑎𝑚𝑝 = 10,00𝛺 𝐼2 = 𝑅𝑇 𝑅2 𝑥 𝐼𝑡 = 4,62 20 𝑥21,65 𝑎𝑚𝑝 = 5,00𝛺 𝐼3 = 𝑅𝑇 𝑅3 𝑥 𝐼𝑡 = 4,62 15 𝑥21,65 𝑎𝑚𝑝 = 6,67𝛺 Respuesta 2.
  • 3. 𝑅𝑒1 = 𝑅 𝑁 = 40 2 = 20𝛺 𝑅𝑒2 = 𝑅 𝑁 = 20 2 = 10𝛺 𝑅𝑇 = 10𝑥20 10 + 20 = 6.67𝛺 𝐼𝑡 = 𝑉 𝑅𝑇 = 100 6,67 = 14,99 ≅ 15 𝑎𝑚𝑝 𝐼1 = 𝑉 𝑅𝑒1 = 100 10 = 10 𝑎𝑚𝑝 𝐼2 = 𝑉 𝑅𝑒2 = 100 20 = 5 𝑎𝑚𝑝 Respuesta 3.
  • 4. 𝑅𝑇 = 𝑅1 + 𝑅2 + 𝑅3 𝑅𝑇 = 70𝛺 + 35𝛺 + 100𝛺 𝑅𝑇 = 205𝛺 Por divisor de tensión: 𝑉1 = 𝑅1𝑥 𝑉 𝑅𝑇 𝑉1 = 70𝛺𝑥 100𝑉 205𝛺 𝑉1 = 1400 41 𝑉 𝑉2 = 𝑅2𝑥 𝑉 𝑅𝑇 𝑉2 = 35𝛺𝑥 100𝑉 205𝛺 𝑉2 = 700 41 𝑉 𝑉3 = 𝑅3𝑥 𝑉 𝑅𝑇 𝑉3 = 100𝛺𝑥 100𝑉 205𝛺 𝑉1 = 2000 41 𝑉
  • 5. Repuesta 4. 𝑅3,4 = 𝑅3 + 𝑅4 𝑅3,4 = 35 + 55 = 90𝛺 1 𝑅𝑇 = 1 1 𝑅1 + 1 𝑅2 + 1 𝑅34 1 𝑅𝑇 = 1 1 100 + 1 50 + 1 90 𝑅𝑇 = 24,32𝛺 𝐼𝑡 = 𝑉 𝑅𝑇 = 100 24,32 = 4,11 𝑎𝑚𝑝 𝐼1 = 𝑅𝑇 𝑅1 𝑥 𝐼𝑡 = 24,32 100 𝑥4,11 𝑎𝑚𝑝 = 0.99𝛺 𝐼2 = 𝑅𝑇 𝑅2 𝑥 𝐼𝑡 = 24,32 50 𝑥4,11 𝑎𝑚𝑝 = 1,99𝛺 𝐼34 = 𝑅𝑇 𝑅34 𝑥 𝐼𝑡 = 24,32 90 𝑥4,11 𝑎𝑚𝑝 = 1,11𝛺