Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Textbook Question
Chapter 19, Problem 55P
a. Determine the load impedance to replace the inductor Xc in Fig. 19.112 to ensure maximum power to the load.
b. Using the results of part (a), determine the maximum power to the load.
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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
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19.1682 40 128.5V]
1. Each phase of a delta-connected load comprises a resistor of 50 a and capacitor of 50 uF in
series. Calculate (a) the line and phase currents (b) the total power and (c) the kilovoltamperes when the
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2. Three similar-coils, A, B and C are available. Each coil has 9Q resistance and 12 Q reactance.
They are connected in delta to a 3-phase, 440-V, 50-Hz supply. Calculate for this load:
(a) the line cuIrent
(c) the total kilovolt-amperes
If the coils are reconnected in star, calculate for the new load the quantities named at (a), (b); (c) and
(d) above.
3. Three similar choke coils are connected in star to a 3-phase supply. If the line currents are 15 A,
the total power consumed is 11 kW and the volt-ampere input is 15 kVA, find the line and phase voltages,
the VAR input and the reactance and resistance of each coil.
[(a) 9.46 A; 5.46 A (b) 4480 W () 7.24 kVA]
(b) the power factor
(d) the total kilowatts
[50.7 A; 0.6; 38.6 kVA; 23.16…
It states that "in any electrical network, the algebraic sum of the currents meeting at a point or junction is zero".
a. kirchoff's current law
b. kircchoff's current law
c. kirchooff's current law
d. kirchhoff's current law
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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