Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Chapter 12, Problem 10ST
To determine
The total RMS current in the circuit by using the given current in the resistor and the inductor.
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Q3.
a) Given the unsymmetrical phasors for a three-phase system, they can be
represented in terms of their symmetrical components as follows:
[Fa]
[1 1
Fb = 1 a²
[Fc.
11[Fao]
a Fai
1 a a2F a2-
where F stands for any three-phase quantity. Conversely, the sequence
components can be derived from the unsymmetrical phasors as:
[11 1] [Fal
Faol
Fa1 =
1 a a² F
1 a²
a
a2.
Given the unbalanced three-phase voltages:
V₁ = 120/10° V, V₂ = 200/110° V, V = 240/200° V
Calculate in polar form the sequence components of the voltage.
Complete the table of values for this circuit:
*P2.58. Solve for the node voltages shown in Figure
P2.58.
-
10 Ω
w
+
10 Ω
15 Ω
w
w
'+'
5 Ω
20x
1 A
Figure P2.58
w
V2
502 12A
Chapter 12 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 12 - In an ac circuit where R=XL, the phase angle is...Ch. 12 - Prob. 2TFQCh. 12 - In an ac series RL circuit, the current and...Ch. 12 - In an ac parallel RL circuit, the inductive...Ch. 12 - In an ac parallel RL circuit, the voltage across...Ch. 12 - The unit siemens is used to measure both...Ch. 12 - Prob. 7TFQCh. 12 - If the power factor of a circuit is 0.5, the...Ch. 12 - Prob. 9TFQCh. 12 - Prob. 10TFQ
Ch. 12 - In a series RL circuit, the resistor voltage Leads...Ch. 12 - Prob. 2STCh. 12 - Prob. 3STCh. 12 - If the frequency is doubled and the resistance is...Ch. 12 - Prob. 5STCh. 12 - Prob. 6STCh. 12 - Prob. 7STCh. 12 - Prob. 8STCh. 12 - Prob. 9STCh. 12 - Prob. 10STCh. 12 - Prob. 11STCh. 12 - Prob. 12STCh. 12 - If a load is purely inductive and the reactive...Ch. 12 - Prob. 14STCh. 12 - Prob. 15STCh. 12 - Determine the cause for each set of symptoms....Ch. 12 - Determine the cause for each set of symptoms....Ch. 12 - Prob. 3TSCCh. 12 - Prob. 4TSCCh. 12 - Prob. 5TSCCh. 12 - Prob. 1PCh. 12 - Prob. 2PCh. 12 - Find the impedance of each circuit in Figure...Ch. 12 - Determine the impedance and phase angle in each...Ch. 12 - In Figure 12-52, determine the impedance at each...Ch. 12 - Determine the values of R and XL in a series RL...Ch. 12 - If the frequency of the source is increased to 1...Ch. 12 - Determine the voltage across the total resistance...Ch. 12 - Find the current for each circuit of Figure 12-50.Ch. 12 - Calculate the total current in each circuit of...Ch. 12 - Determine for the cicutit in Figure 12-53.Ch. 12 - If the inductance in Figure 12-53 is doubled, does...Ch. 12 - Draw the waveforms for Vs,VRandVL in Figure 12-53....Ch. 12 - For the circuit in Figure 12-54, find VRandVL for...Ch. 12 - For the lag circuit in Figure 12-55, determine the...Ch. 12 - Repeat Problem 15 for the lead circuit in Figure...Ch. 12 - What is the impedance for the circuit in Figure...Ch. 12 - Repeat Problem 17 for the following frequencies:...Ch. 12 - At what frequecy does XL equal R in Figure 12-57?Ch. 12 - Find the total current and each branch current in...Ch. 12 - Determine the following quantities in Figure...Ch. 12 - Convert the circuit in Figure 12-60 to an...Ch. 12 - Determine the voltage across each element in...Ch. 12 - Is the circuit in Figure 12-61 predominantly...Ch. 12 - Find the current in each branch and the total...Ch. 12 - In a certain RL circuit, the true power is 100 mW,...Ch. 12 - Determine the true power and the reactive power in...Ch. 12 - What is the power factor in Figure 12-58?Ch. 12 - Determine Ptrue,Pr,Pa, and PF for the circuit in...Ch. 12 - Plot the response curve for the circuit in Figure...Ch. 12 - Using the same procedure as in Problem 30, plot...Ch. 12 - Draw the voltage phasor diagram for each circuit...Ch. 12 - Prob. 33PCh. 12 - Prob. 34PCh. 12 - Determine the voltage across the inductors in...Ch. 12 - Is the circuit in Figure 12-64 predominantly...Ch. 12 - Find the total current in Figure 12-64.Ch. 12 - Determine the phase shift and attenuation...Ch. 12 - Design an ideal inductive switching circuit that...Ch. 12 - Prob. 44PCh. 12 - Prob. 45PCh. 12 - Prob. 46PCh. 12 - Prob. 47PCh. 12 - Open file P12-48. Determine if there is a fault...Ch. 12 - Prob. 49P
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