Compute the power absorbed by each element in the circuit of Fig. 3.67 if the mysterious element X is (a) a 13 2 resistor; (b) a dependent voltage source labeled 4v1, “+" reference on top; (c) a dependent voltage source labeled 4i,, "+" reference on top. + 2 V 1 kn 33 0 27 0. 500 Ω 12 V 2 V 190 2.2 kn FIGURE 3.66 FIGURE 3.67

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Compute the power absorbed by each element in the circuit of Fig. 3.67 if the
mysterious element X is (a) a 13 2 resistor; (b) a dependent voltage source
labeled 4v1, “+" reference on top; (c) a dependent voltage source labeled 4i,
“+" reference on top.
+
2 V
1 kn
33 0
X
270
500 N
12 V
2 V
19N
2.2 kN
IFIGURE 3.66
IFIGURE 3.67
Although drawn so that it may not appear obvious at first glance, the circuit
of Fig. 3.73 is in fact a single-node-pair circuit. (a) Determine the power
absorbed by each resistor. (b) Determine the power supplied by each current
source. (c) Show that the sum of the absorbed power calculated in (a) is equal
to the sum of the supplied power calculated in (c).
1 k
3 mA
2.8 kn
3i
2 A
3Ω
5 mA
4.7 kn
FIGURE 3.72
IFIGURE 3.73
Transcribed Image Text:Compute the power absorbed by each element in the circuit of Fig. 3.67 if the mysterious element X is (a) a 13 2 resistor; (b) a dependent voltage source labeled 4v1, “+" reference on top; (c) a dependent voltage source labeled 4i, “+" reference on top. + 2 V 1 kn 33 0 X 270 500 N 12 V 2 V 19N 2.2 kN IFIGURE 3.66 IFIGURE 3.67 Although drawn so that it may not appear obvious at first glance, the circuit of Fig. 3.73 is in fact a single-node-pair circuit. (a) Determine the power absorbed by each resistor. (b) Determine the power supplied by each current source. (c) Show that the sum of the absorbed power calculated in (a) is equal to the sum of the supplied power calculated in (c). 1 k 3 mA 2.8 kn 3i 2 A 3Ω 5 mA 4.7 kn FIGURE 3.72 IFIGURE 3.73
Determine the current labeled / in each of the circuits of Fig. 3.50.
7A
ww
3A
1.5 V.
2 A
9 A(
(a)
(b)
(c)
IFIGURE 3.50
Use KVL to obtain a numerical value for the current labeled i in each circuit
depicted in Fig. 3.59.
2 V
1.5 V 1.5 V
20
20
20
5 V
10 V
2 V
10 0
(a)
(b)
IFIGURE 3.59
Transcribed Image Text:Determine the current labeled / in each of the circuits of Fig. 3.50. 7A ww 3A 1.5 V. 2 A 9 A( (a) (b) (c) IFIGURE 3.50 Use KVL to obtain a numerical value for the current labeled i in each circuit depicted in Fig. 3.59. 2 V 1.5 V 1.5 V 20 20 20 5 V 10 V 2 V 10 0 (a) (b) IFIGURE 3.59
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