Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Textbook Question
Chapter 19, Problem 45P
Find the Norton equivalent circuit for the network external to the 5k
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Using supeerposition, determine the current through the inductance XL for the network of Fig. 19.105.
E,= 30 VZ 30°
392
X₁₂
ele
8 Ω
Figure 1
Xc
6Ω
+
E = 60 VZ 10⁰
(a) A voltmeter and an ammeter can be connected as shown in Fig. 19-83a to measure a
resistance R. If V is the voltmeter reading, and / is the ammeter reading, the value of R will not
quite be VI (as in Ohn's law) because some current goes through the voltmeter. Show that the
actual value of Ris
1
I
1
-
R
V
Ry
Where Ry is the voltrneter resistance. Note that R z V/I if Ry > R. (b) A voltmeter
and an ammeter can also be connected as shown in Fig. 19-83b to measure a resistance R.
Show in this case that
V
R
RA,
I
where Vand / are the voltmeter and ammeter readings and Ra is the resistance of the
arnmeter. Note that R = V/I if RA « R.
V
A
A
R
R
(a)
(b)
10. A circuit consists of a pure resistance and a coil in series. The power dissipated in the resistance is
500 W and the drop across it is 100 V. The power dissipated in the coil is 100 W and the drop across
it is 50 V. Find the reactance and resistance of the coil and the supply voltage.
19.1682 40 128.5V]
Chapter 19 Solutions
Introductory Circuit Analysis (13th Edition)
Ch. 19 - Using supeerposition, determine the current...Ch. 19 - Using superposition, determine the current through...Ch. 19 - Using superposition, determine the current IL for...Ch. 19 - Using superposition, determine the voltage across...Ch. 19 - Using superposition, determine the current through...Ch. 19 - Using superposition, find the sinusoidal...Ch. 19 - Using superposition, find the sinusoidal...Ch. 19 - Using superspostion, find the current I for the...Ch. 19 - Using superposition, determine the current IL...Ch. 19 - Using superposition, for the network of Fig....
Ch. 19 - Using superposition, determine the current IL for...Ch. 19 - Determine VL for the network of Fig. 19.116...Ch. 19 - Calculate the current I for the network of Fig....Ch. 19 - Find the voltage Vs for the network in Fig....Ch. 19 - Find the ThĂ©venin equivalent circuit for the...Ch. 19 - Find the Thevenin equivalent circuit for the...Ch. 19 - Find the Thevenin equivalent circuit for the...Ch. 19 - Find the Thevenin equivalent circuit for the...Ch. 19 - Find the Thevenin equivalent circuit for the...Ch. 19 - Find the Thevenin equivalent circuit for the...Ch. 19 - Find the ThĂªvenin equivalent circuit for the...Ch. 19 - Find the ThĂªvenin equivalent circuit for the...Ch. 19 - a. Find the ThĂ©venin equivalent circuit for the...Ch. 19 - a. Find the ThĂ©venin equivalent circuit for the...Ch. 19 - a. Find the ThĂ©venin equivalent circuit of the...Ch. 19 - Determine the ThĂ©venin equivalent circuit for the...Ch. 19 - Determine the ThĂ©venin equivalent circuit for the...Ch. 19 - Prob. 28PCh. 19 - Prob. 29PCh. 19 - Find the ThĂ©venin equivalent circuit for the...Ch. 19 - Determine the ThĂ©venin equivalent circuit for the...Ch. 19 - Prob. 32PCh. 19 - Find the ThĂ©venin equivalent circuit for the...Ch. 19 - Find the Norton equivalent circuit for the network...Ch. 19 - Find the Norton equivalent circuit for the network...Ch. 19 - Find the Norton equivalent circuit for the network...Ch. 19 - Find the Norton equivalent circuit for the portion...Ch. 19 - Find the Norton equivalent circuit for the portion...Ch. 19 - a. Find the Norton equivalent circuit for the...Ch. 19 - a. Find the Norton equivalent circuit for the...Ch. 19 - a. Find the Norton equivalent circuit for the...Ch. 19 - Determine the Norton equivalent circuit for the...Ch. 19 - Determine the Norton equivalent circuit for the...Ch. 19 - Find the Norton equivalent circuit for the network...Ch. 19 - Find the Norton equivalent circuit for the network...Ch. 19 - Prob. 46PCh. 19 - Prob. 47PCh. 19 - Find the load impedance ZL for the network of Fig....Ch. 19 - Find the load impedance ZL for the network of Fig....Ch. 19 - Find the load impedance ZL for the network of Fig....Ch. 19 - Find the load impedance ZL for the network of Fig....Ch. 19 - Prob. 52PCh. 19 - a. Determine the load impedance to replace the...Ch. 19 - a. Determine the load impedance to replace the...Ch. 19 - a. Determine the load impedance to replace the...Ch. 19 - Prob. 56PCh. 19 - a. For the network in Fig. 19.139, determine the...Ch. 19 - For the network in Fig. 19.140, determine two...Ch. 19 - Prob. 59PCh. 19 - Using Millmans theorem, determine the current...Ch. 19 - Prob. 61PCh. 19 - Determine the current IL for the network in Fig....Ch. 19 - Using schematics, determine V2 for the network in...Ch. 19 - Prob. 64PCh. 19 - Using schematics, plot the power to the R-C load...
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- 84. (a) What is the equivalent resistance of the circuit shown in Fig. 19–82? [Hint: Redraw the circuit to see series and parallel better.] (b) What is the current in the 14-0 resis- tor? (c) What is the current in the 12-N resistor? (d) What is the power dissipation in the 4.5-2 resistor? 6.0 V 12 Ω 22 2 14 2 FIGURE 19-82 ww 4.5 Ω Problem 84. wwarrow_forwarda. For the network below, determine IB, Ic, VE and VCE o+18 V 9.1 kQ I ka 510 ka YA=130 510 ka 7.5 ka -18 Varrow_forwardFind the Norton equivalent of the curcuitarrow_forward
- (II) Determine the magnitudes and directions of the currents in each resistor shown in Fig. 19–56. The batteries have emfs of & = 9.0 V and & = 12.0 V and the resistors have values of R¡ = 25 N, R, = 68 N, and R3 = 35 N. (a) Ignore internal resistance of the batteries. (b) Assume each battery has internal resistance ©1 r = 1.0 2. R1 ww R2 ww R3 FIGURE 19–56 Problem 28.arrow_forwardThe below fig. transformer connection represents 2400 V 2640 240 V 2.5% boost at secondary side voltage 5% boost at secondary side voltage 3% boost at secondary side voltage 10% boost at secondary side voltagearrow_forwardIman S and 48 JUTHM Exercise 3 Use the superposition theorem to find i. 30 202 7A 31 - 24V "Hint 2 Independet sources 1 dependence source PREMIER TECHNICAL UNIVERSITY www.uthm.arrow_forward
- Find the Thévenin equivalent circuit for the portion of the network of Fig. 19.119 external to the elements between points a and b. R 3Ω E = 100 V Z0° | XL FIG. 19.119arrow_forwardObtain the y parameters for the network in Figure below. 2 mH 10nF ll 5Ω ee ll 10 mH 3 2 12 2arrow_forwardQuestion 2. The value of coupling coefficient (k) is adjusted so that the real and imaginary parts of Zab are equal. 10 N 20 2 Find the value of k when w = 2 krad/s. 25 mH 1 mH 25 µF b.arrow_forward
- The value of coupling coefficient (k) is adjusted so that the real and 10 Ω 20 Ω imaginary parts of Zab are equal. Find the value of k when w = 2 krad/s. 25 mH 1 mH 25 µF b.arrow_forward10 For he circuit shown in the figure below, find Z- * ?Parameters 100 80 120 V1 160 V2 21.21 ohm, 19.19 ohm, 23.86 ohm 21.19 ohm, 19.86 ohm, 23.21 ohm O 21.86 ohm, 19.19 ohm, 23.21 ohm O 21.86 ohm, 19.21 ohm, 23.19 ohm Oarrow_forward7. A pair of power transmission lines each have 2.25-S resistance and carry 900 Amp. If the primary voltage of the 10:1 step-up transformer is 2.0 kV, calculate the input voltage of the step-down transformer at the other end. kVarrow_forward
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