Principles Of Electric Circuits
10th Edition
ISBN: 9780134879482
Author: Floyd, Thomas L.
Publisher: Pearson,
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Textbook Question
Chapter 5, Problem 23P
What is the value of each resistor in Figure 5–71?
Figure 5–71
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53. Find RT in Figure 5-87.
➤FIGURE 5-87
R₂
12 V
www
= 5,6 ΜΩ
R₁ =
4.8 V
Ry
www
P = 21.5 μW
5.45. If there are 10 V across R1R1 in Figure 5-86, what is the voltage across each of the other resistors?
Figure 5-86
R₁
www
5.6kf
w
1010
LOM
Determine the unknown voltage drop, 1, in Figure 5-35.
> FIGURE 5-35
12 V
50
6 V
15 V
Chapter 5 Solutions
Principles Of Electric Circuits
Ch. 5 - (a) Show how you would rewire the protoboard in...Ch. 5 - How is the circuit changed when pin 2 and pin 3 in...Ch. 5 - Determine the total resistance in Figure 5-10(a)...Ch. 5 - What is the total resistance for the following...Ch. 5 - Determine the value of R4 in Figure 5-12 if the...Ch. 5 - Find RT for three 1.0 k resistors and two 720 ...Ch. 5 - What is the value of R2 if the highest current is...Ch. 5 - Determine V3 if the polarity of VS2 is reversed in...Ch. 5 - Starting with Equation 5-5, prove that the...Ch. 5 - What is the power in the circuit of Figure 5-48 if...
Ch. 5 - Determine the minimum power rating required for...Ch. 5 - Assume that R1 is shorted In Figure 5-61. What...Ch. 5 - A series circuit can have more than one path for...Ch. 5 - The total resistance of a series circuit can be...Ch. 5 - If two series resistors are different sizes, the...Ch. 5 - If two series resistors are different sizes, the...Ch. 5 - If three equal resistors are used in a voltage...Ch. 5 - There is no valid electrical reason for installing...Ch. 5 - Kirchhoffs voltage law is valid only if a loop...Ch. 5 - Prob. 8TFQCh. 5 - Prob. 9TFQCh. 5 - If point A in a circuit has a voltage of +10 V and...Ch. 5 - Two equal-value resistors are connected in series...Ch. 5 - Prob. 2STCh. 5 - Prob. 3STCh. 5 - When one of four series resistors is removed from...Ch. 5 - Prob. 5STCh. 5 - A 9 V battery is connected across a series...Ch. 5 - While putting four 1.5 V batteries in a four-cell...Ch. 5 - If you measure all the voltage drops and the...Ch. 5 - There are six resistors in a given series circuit...Ch. 5 - A series circuit consists of a 4.7 k, a 5.6 k, and...Ch. 5 - Which of the following series combinations...Ch. 5 - The total power in a certain circuit is 1 W. Each...Ch. 5 - When you connect an ammeter in a series-resistive...Ch. 5 - While checking out a series-resistive circuit, you...Ch. 5 - With a 10 V voltage source connected between...Ch. 5 - For the conditions described in Question 1, the...Ch. 5 - When the switches are in position 1 and a short...Ch. 5 - When the switches are in position 2 and a short...Ch. 5 - If the current shown by one of the milliammeters...Ch. 5 - If the source voltage decreases, the current...Ch. 5 - If the current through R1 increases as a result of...Ch. 5 - If the switch is thrown from position A to...Ch. 5 - If the switch is thrown from position B to...Ch. 5 - If the switch is thrown from position C to...Ch. 5 - If R1 is changed to 1.2 k, the voltage from A to B...Ch. 5 - If R2 and R3 are interchanged, the voltage from A...Ch. 5 - If the source voltage increases from 8 V to 10 V,...Ch. 5 - Connect each set of resistors in Figure 563 in...Ch. 5 - Determine the groupings of resistors in Figure 564...Ch. 5 - Determine the nominal resistance between pins 1...Ch. 5 - Determine the nominal resistance between pins 2...Ch. 5 - On the double-sided PC board in Figure 565,...Ch. 5 - Prob. 6PCh. 5 - Prob. 7PCh. 5 - Calculate RT for each circuit of Figure 566....Ch. 5 - What is the total resistance of twelve 5.6 k...Ch. 5 - Six 56 resistors, eight 100 resistors, and two...Ch. 5 - Prob. 11PCh. 5 - You have the following resistor values available...Ch. 5 - Find the total resistance in Figure 566 if all...Ch. 5 - What is the total resistance from A to B for each...Ch. 5 - What is the current through each resistor in a...Ch. 5 - The current from the source in Figure 569 is 5 mA....Ch. 5 - Show how to connect a voltage source and an...Ch. 5 - Using 1.5 V batteries, a switch, and three lamps,...Ch. 5 - What is the current in each circuit of Figure 570?...Ch. 5 - Determine the voltage drop across each resistor in...Ch. 5 - Three 470 resistors are connected in series with...Ch. 5 - Four equal-value resistors are in series with a 5...Ch. 5 - What is the value of each resistor in Figure 571?...Ch. 5 - Determine VR1, R2, and R3 in Figure 5-72. Figure...Ch. 5 - For the circuit in Figure 573 the meter reads 7.84...Ch. 5 - Determine the current measured by the meter in...Ch. 5 - Refer to Figure 5-75. Assume the green LED drops...Ch. 5 - Refer to Figure 5-76. Assume there is a 2.0 V drop...Ch. 5 - Series aiding is a term sometimes used to describe...Ch. 5 - The term series opposing means that sources are in...Ch. 5 - Determine the total source voltage in each circuit...Ch. 5 - Prob. 32PCh. 5 - Five resistors are in series with a 20 V source....Ch. 5 - Determine the unspecified voltage drop(s) in each...Ch. 5 - In the circuit of Figure 5-79, determine the...Ch. 5 - Find R1, R2, and R3 in Figure 580. Figure 580Ch. 5 - Determine the voltage across R5 for each position...Ch. 5 - The total resistance of a circuit is 560 . What...Ch. 5 - Determine the voltage between points A and B in...Ch. 5 - Determine the voltage with respect to ground for...Ch. 5 - Determine the minimum and maximum voltage from the...Ch. 5 - What is the voltage across each resistor in Figure...Ch. 5 - Prob. 44PCh. 5 - If there are 10 V across R1 in Figure 5-86, what...Ch. 5 - Prob. 46PCh. 5 - Prob. 47PCh. 5 - Five series resistors each handle 50 mW. What is...Ch. 5 - If you double the voltage across a resistor, by...Ch. 5 - If the total resistance of a circuit is halved,...Ch. 5 - What is the total power in the circuit in Figure...Ch. 5 - The following W resistors are in series: 1.2 k,...Ch. 5 - Find RT in Figure 587.Ch. 5 - A certain series circuit consists of a W...Ch. 5 - Determine the voltage at each point with respect...Ch. 5 - In Figure 589, how would you determine the voltage...Ch. 5 - Determine the voltage at each point with respect...Ch. 5 - In Figure 589, what is VAC?Ch. 5 - In Figure 589, what is VCA?Ch. 5 - A string of five series resistors is connected...Ch. 5 - By observing the meters in Figure 590, determine...Ch. 5 - What current would you measure in Figure 590(b) if...Ch. 5 - Table 52 shows the results of resistance...Ch. 5 - You measure 15 k between pins 5 and 6 on the PC...Ch. 5 - In checking out the PC board in Figure 591, you...Ch. 5 - The three groups of series resistors on the PC...
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- 34. Determine the unspecified voltage drop(s) in each circuit of Figure 5-78. Show how to connect a voltmeter to measure cach unknown voltage drop. > FIGURE 5-78 3.2 V 8 V R R 15 V Vs 0.5 V 1.5 V 4R 3R in (a) (b)arrow_forwardSECTION 5-6 Kirchhoff's Voltage Law 32. The following voltage drops are measured across three resistors in series: 5.5 V, 8.2 V, and 12.3 V. What is the value of the source voltage to which these resistors are connected? 33. Five resistors are in series with a 20 V source. The voltage drops across four of the resistors are 1.5 V, 5.5 V, 3 V, and 6 V. How much voltage is dropped across the fifth resistor? 34. Determine the unspecified voltage drop(s) in each circuit of Figure 5-78. Show how to connect a voltmeter to measure cach unknown voltage drop. ► FIGURE 5-78 2 V V2 3.2 V 8 V R 15 VE 2R 0.5 V 1.5 V 4 R 3R (b)arrow_forwardThree resistance 52 each are connected in star- Values of equivalent delta resistances are (a) 1.5 Q each (c) 5/3 2 each (b) 2.5 2 each (d) 15 2 eacharrow_forward
- In the circuit shown below what will be the reading in the voltmeter * 2V 12 ww O 2v O 1v 0.5V O zeroarrow_forwardThe bias resistor R2 in Figure 5–36 is replaced by a potentiometer of 15 k ohm. What minimum resistance setting causes saturation?arrow_forwardAnalyze the circuit in Figure 5–39 to determine the correct voltages at the transistor terminals Beta(DC)=100arrow_forward
- The equivalent resistance between points a and b in the figure is 5.000 www 10.00 5.00 www 4.00 f ww 3.00 f wwwarrow_forwardFind the resistance values using the color code and determine the missing values in Figure 7-26. FIGURE 7-26 Determine resistance values using the color and find all missing electrical values.arrow_forwardWhat is the total voltage provided by the four cells? Each cell has a voltage of 1.5 Varrow_forward
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