孔子学院总部/国家汉办 Confucius Institute Headquarters (Hanban) R₁=20 L4 Resistive Circuit I Exercise 2.1 Find the equivalent resistance for each of the networks shown the following figure. R₁ = 100 2 ww w R₁₂ = 50 (a) R3 75 Ω = R3 30 RA ΖΩ W = R₁ = 10 Ω w R₂=8Q www (b) R₁ = 30 R33 60 R₁ = 1 k w 25 Ω R3 = R₂ = 2 k 3 ΚΩ (c) Copyright ©2018 Pearson Education, All Rights Reserved. (d) Exercise 2.2 Find the currents labeled in the following figure by combining resistances in series and parallel. A① is = 2 A R₁ = 50 R₁₂ = 15 Ω (b) R₁ = 10 + vs=20 V R2 20 Ω ww w 12 R3 = 10 Ω R₁ = 10 Ω W (a) V₁ = 30 V + R3 30 Ω www R4= 40 Ω W R₁ = 10 w R3 = 15 w Copyright 2018 Pearson Education, All Rights Reserved. 440 40 Ω (c) R₁ = 25 2
孔子学院总部/国家汉办 Confucius Institute Headquarters (Hanban) R₁=20 L4 Resistive Circuit I Exercise 2.1 Find the equivalent resistance for each of the networks shown the following figure. R₁ = 100 2 ww w R₁₂ = 50 (a) R3 75 Ω = R3 30 RA ΖΩ W = R₁ = 10 Ω w R₂=8Q www (b) R₁ = 30 R33 60 R₁ = 1 k w 25 Ω R3 = R₂ = 2 k 3 ΚΩ (c) Copyright ©2018 Pearson Education, All Rights Reserved. (d) Exercise 2.2 Find the currents labeled in the following figure by combining resistances in series and parallel. A① is = 2 A R₁ = 50 R₁₂ = 15 Ω (b) R₁ = 10 + vs=20 V R2 20 Ω ww w 12 R3 = 10 Ω R₁ = 10 Ω W (a) V₁ = 30 V + R3 30 Ω www R4= 40 Ω W R₁ = 10 w R3 = 15 w Copyright 2018 Pearson Education, All Rights Reserved. 440 40 Ω (c) R₁ = 25 2
Chapter3: Magnetic Starters
Section: Chapter Questions
Problem 30SQ
Related questions
Question

Transcribed Image Text:孔子学院总部/国家汉办
Confucius Institute Headquarters (Hanban)
R₁=20
L4 Resistive Circuit I
Exercise 2.1 Find the equivalent resistance for each of the networks shown the
following figure.
R₁ = 100 2
ww
w
R₁₂ = 50
(a)
R3
75 Ω
=
R3
30
RA
ΖΩ
W
=
R₁ =
10 Ω
w
R₂=8Q
www
(b)
R₁ = 30
R33
60
R₁ = 1 k
w
25 Ω
R3 =
R₂ = 2 k
3 ΚΩ
(c)
Copyright ©2018 Pearson Education, All Rights Reserved.
(d)
Exercise 2.2 Find the currents labeled in the following figure by combining
resistances in series and parallel.
A①
is = 2 A
R₁ =
50
R₁₂ =
15 Ω
(b)
R₁ = 10
+
vs=20 V
R2
20 Ω
ww
w
12
R3 =
10 Ω
R₁ =
10 Ω
W
(a)
V₁ = 30 V
+
R3
30 Ω
www
R4=
40 Ω
W
R₁ = 10
w
R3 = 15
w
Copyright 2018 Pearson Education, All Rights Reserved.
440
40 Ω
(c)
R₁ = 25 2
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