Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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1. In AC machines drives, the frequency modulation index should be integer
regardless the value of switching frequency.
2. Variable de link voltage is adopted in inverter operating in square wave operation
mode
3. Practical values of switch utilization factor is different from theoretical values
4. In three-phase inverter with my is odd and multiple of 3, the even and tripplen
harmonics are zero.
5. The PSC-PWM is attractive for the modular multilevel converter
Chapter 4 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 4 - A series circuit can have more than one path for...Ch. 4 - The total resistance of a series circuit can be...Ch. 4 - If two series resistors are different sizes, the...Ch. 4 - If two series resistors are different sizes, the...Ch. 4 - If three equal resistors are used in a voltage...Ch. 4 - Prob. 6TFQCh. 4 - Kirchhoff’s voltage law is valid only if a loop...Ch. 4 - Prob. 8TFQCh. 4 - Prob. 9TFQCh. 4 - If point A in a cricuit has a voltage of +10V and...
Ch. 4 - Prob. 1STCh. 4 - To measure the current out of the third resistor...Ch. 4 - Prob. 3STCh. 4 - When one of four series resistors is removed from...Ch. 4 - A series circuit consists of three resistors with...Ch. 4 - A 9 V battery is connected across a series...Ch. 4 - While putting four 1.5 V batteries in a...Ch. 4 - Prob. 8STCh. 4 - Prob. 9STCh. 4 - A series circuit consists of a 4.7k a 5.6k and a...Ch. 4 - Prob. 11STCh. 4 - Prob. 12STCh. 4 - When you connect an ammeter in a series resistive...Ch. 4 - While checking out a series resistive circuit, you...Ch. 4 - Determine the cause for each set of symptoms....Ch. 4 - Prob. 2TSCCh. 4 - Prob. 3TSCCh. 4 - Symptom: The ammeter reading is zero, voltmeter 1...Ch. 4 - Symptom: The ammeter reading is 0.645mA, the...Ch. 4 - Connect each set of resistors in Figure 4-64 in...Ch. 4 - Determine which resistors in Figure 4-65 are in...Ch. 4 - Determine the resistance between pins 1 and 8 in...Ch. 4 - Determine the resistance between pins 2 and 3 in...Ch. 4 - An 82 resistor and a 56 resistor are connected in...Ch. 4 - Find the total resistance of each group of series...Ch. 4 - Determine RT for each circuit in Figure 4-67. Show...Ch. 4 - What is the total resistance of twelve 5.6k...Ch. 4 - Six 47 resistors, eight 100 resistors, and two 22...Ch. 4 - The total resistance in Figure 4-68 is 20k. What...Ch. 4 - Determine the resistance between each of the...Ch. 4 - If all the resistors in Figure 4-65 are connected...Ch. 4 - What is the current through each of four resistors...Ch. 4 - The current from the source in Figure 4-69 is 5...Ch. 4 - What is the current in each circuit of Figure...Ch. 4 - 16. Determine the voltage across each resistor in...Ch. 4 - Three 470 resistors are in series with a 48 V...Ch. 4 - Four equal-value resitors are in series with a 5 V...Ch. 4 - Show how to connect four 6 V batteries to achieve...Ch. 4 - What happens if one of the batteries in Problem 19...Ch. 4 - The following voltage drops are measured across...Ch. 4 - Five resistors are in series with a 20 V source....Ch. 4 - Determine the unspecified voltage drop(s) in each...Ch. 4 - The total resistance of a series circuit is 500....Ch. 4 - Find the voltage between A and B in each voltage...Ch. 4 - Determine the voltage with respect to ground for...Ch. 4 - Determine the minimum and maximum output voltage...Ch. 4 - What is the voltage across each resistor in Figure...Ch. 4 - What is the voltage across each resistor on the...Ch. 4 - Five series resistors each dissipate 50 mW of...Ch. 4 - Find the total power in Figure 4-75.Ch. 4 - Prob. 32PCh. 4 - In Figure 4-77, how would you determine the...Ch. 4 - Determine the voltage at each point with respect...Ch. 4 - In Figure 4-77, what is VAC?Ch. 4 - In Figure 4-77, what is VCA?Ch. 4 - By observing the meters in Figure 4-78, determine...Ch. 4 - Is the multimeter reading in Figure 4-79 correct?...Ch. 4 - Determine the unknown resistance (R3) in the...Ch. 4 - You have the following resistor values available...Ch. 4 - Determine the voltage at each point in Figure 4-81...Ch. 4 - Find all the unknown quantities (shown in red) in...Ch. 4 - There are 250 mA in a series circuit with a total...Ch. 4 - Four 12W resistors are in series:...Ch. 4 - A certain series circuit is made up of a 18W...Ch. 4 - Using 1.5 V batteries, a switch, and three lamps,...Ch. 4 - Prob. 47PCh. 4 - Using the standard resistor values given in...Ch. 4 - On the double-sided PC board in Figure 4-83,...Ch. 4 - What is the total resistance from A to B for each...Ch. 4 - Determine the current measured by the meter in...Ch. 4 - Prob. 52PCh. 4 - Determine the voltage across each resistor in...Ch. 4 - Table 4-1 shows the results of resistance...Ch. 4 - You measure 15k between pins 5 and 6 on the PC...Ch. 4 - In checking out the PC board in Figure 4-83, you...Ch. 4 - The three groups of series resistors on the PC...Ch. 4 - Open file P04-58: Files are found at...Ch. 4 - Open file P04-59. Determine if there is a fault...Ch. 4 - Open file P04-60. Determine if there is a fault...Ch. 4 - Open file P04-61. Determine if there is a fault...Ch. 4 - Open file P04-62. Determine if there is a fault...Ch. 4 - www.prenhall.com/floyd. 63. Open file P04-63....
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