(a) For the circuit in Figure 4.1, convert the current source Is to a voltage source and sketch the modified circuit. Determine the power dissipated in the resistor (b) In Figure 1.1, determine the current I, (0) (ii) the voltages Va and Vab. R₁ R₂

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter7: Parallel Circuits
Section: Chapter Questions
Problem 4PP: Using the rules for parallel circuits and Ohmslaw, solve for the missing values....
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need help on 3Q A & B & C

(a)
For the circuit in Figure 4.1, convert the current source Is to a voltage source
and sketch the modified circuit. Determine the power dissipated in the resistor
R₂.
Is
0.6 A
3292
R₁
www
100 2400 2
Figure 4.1
(c)
R₂
50 V
1₁
15 V
a
f
Refer to the circuit in Figure 1.2.
(i)
Using Kirchhoff's Voltage Law, write down the branch equations for Loop
abefa and Loop bcdeb.
(ii)
Using Kirchhoff's Current Law, write down the equation at node 'e'.
You do not have to solve the equations in part (i) and (ii).
12Ω
ww
20 V
www
40 02
26 Ω
8 V
Figure 1.2
b
e
(b)
1₂
23 Ω
ww
In Figure 1.1, determine
the current I,
(i)
(ii)
Iy
с
the voltages Va and Vab.
d
V₂
15 V
100 £2
R₁
www
50 Ω
R₂
www
50 Ω
R₂
ww
100 £2
Ω
Figure 1.1
2
V₂
I
45 V
Transcribed Image Text:(a) For the circuit in Figure 4.1, convert the current source Is to a voltage source and sketch the modified circuit. Determine the power dissipated in the resistor R₂. Is 0.6 A 3292 R₁ www 100 2400 2 Figure 4.1 (c) R₂ 50 V 1₁ 15 V a f Refer to the circuit in Figure 1.2. (i) Using Kirchhoff's Voltage Law, write down the branch equations for Loop abefa and Loop bcdeb. (ii) Using Kirchhoff's Current Law, write down the equation at node 'e'. You do not have to solve the equations in part (i) and (ii). 12Ω ww 20 V www 40 02 26 Ω 8 V Figure 1.2 b e (b) 1₂ 23 Ω ww In Figure 1.1, determine the current I, (i) (ii) Iy с the voltages Va and Vab. d V₂ 15 V 100 £2 R₁ www 50 Ω R₂ www 50 Ω R₂ ww 100 £2 Ω Figure 1.1 2 V₂ I 45 V
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