(a) Refer to Figure 3.1. (1) Calculate the Thevenin resistance and voltage external to the load resistor RL. Sketch the Thevenin equivalent circuit. (ii) (iii) Determine the value of R. for maximum power transfer, and calculate the maximum power delivered to the load R.. 60 Ω 30 V ww 40 02 5002 Figure 3.1 b 50 Ω

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(a)
(b)
Refer to Figure 3.1.
(1) Calculate the Thevenin resistance and voltage external to the load
resistor RL.
(ii) Sketch the Thevenin equivalent circuit.
(iii) Determine the value of RL for maximum power transfer, and calculate the
maximum power delivered to the load R.
30 V
Is
60 Ω
ww
O
ww
40 Ω
Vs
50 Ω
Figure 3.1
ww
1092
For the circuit with a current source shown in Figure 3.2, determine
the current Is,
(0)
(ii)
the voltages Vs and Vbc.
ww
1592
a
с
Figure 3.2
b
R
V₁ = 16 V
www
40 02
ww
592
350 Ω
(d)
(c)
Referring to the circuit shown in Figure 2.3, use the superposition theorem to
find the voltage V₁.
E₁
190 V
E₁
190 V
E₂
38 V
E₂
38 V
40 Ω
Figure 2.3
ww
40 Ω
Determine the voltages V₁ and V2 when there is an open circuit as shown in
Figure 2.4.
Figure 2.4
www
1092
ww
10 Ω
50 Ω
Ω
1092
10 Ω
TV₁
V₁
TV₂
Transcribed Image Text:(a) (b) Refer to Figure 3.1. (1) Calculate the Thevenin resistance and voltage external to the load resistor RL. (ii) Sketch the Thevenin equivalent circuit. (iii) Determine the value of RL for maximum power transfer, and calculate the maximum power delivered to the load R. 30 V Is 60 Ω ww O ww 40 Ω Vs 50 Ω Figure 3.1 ww 1092 For the circuit with a current source shown in Figure 3.2, determine the current Is, (0) (ii) the voltages Vs and Vbc. ww 1592 a с Figure 3.2 b R V₁ = 16 V www 40 02 ww 592 350 Ω (d) (c) Referring to the circuit shown in Figure 2.3, use the superposition theorem to find the voltage V₁. E₁ 190 V E₁ 190 V E₂ 38 V E₂ 38 V 40 Ω Figure 2.3 ww 40 Ω Determine the voltages V₁ and V2 when there is an open circuit as shown in Figure 2.4. Figure 2.4 www 1092 ww 10 Ω 50 Ω Ω 1092 10 Ω TV₁ V₁ TV₂
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