Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Textbook Question
Chapter 9, Problem 40P
Two series capacitors (one
What is the value of the unknown capacitor?
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Students have asked these similar questions
Assume that the combination of capacitors in
the figure is connected to a 12.0V source.
a. Calculate the load and voltage of each
capacitor in the combination.
5.0 uF
1.5 µF
8.0 HE
0.75 µF
15 uF
3.5 µF
Chapter 9 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 9 - The area of the plates of a capacitor is...Ch. 9 - A capacitance of 1200pF is the same as 1.2F.Ch. 9 - When two capacitors are in series with a voltage...Ch. 9 - When two capacitors are in parallel with a voltage...Ch. 9 - Prob. 5TFQCh. 9 - Prob. 6TFQCh. 9 - Prob. 7TFQCh. 9 - Prob. 8TFQCh. 9 - Voltage leads current in a capacitor.Ch. 9 - Prob. 10TFQ
Ch. 9 - Prob. 1STCh. 9 - Prob. 2STCh. 9 - Prob. 3STCh. 9 - A capacitance of 1000pF is smaller than 0.01F...Ch. 9 - Prob. 5STCh. 9 - Prob. 6STCh. 9 - Prob. 7STCh. 9 - Prob. 8STCh. 9 - Prob. 9STCh. 9 - Prob. 10STCh. 9 - Prob. 11STCh. 9 - Prob. 12STCh. 9 - Prob. 13STCh. 9 - A sinusoidal voltage is applied across a...Ch. 9 - Prob. 15STCh. 9 - Prob. 1TSCCh. 9 - Prob. 2TSCCh. 9 - Prob. 3TSCCh. 9 - Prob. 4TSCCh. 9 - Determine the cause for each set of symptoms....Ch. 9 - Find the capacitance when Q=50CandV=10V. Find the...Ch. 9 - Convert the following values from microfarads to...Ch. 9 - Convert the following values from picofarads to...Ch. 9 - Convert the following values from farads to...Ch. 9 - What size capacitor is capable of storing 10mJ of...Ch. 9 - A mica capacitor has a plate area of 20cm2 and a...Ch. 9 - An air capacitor has plates with an area of 0.1m2....Ch. 9 - A student wants to construct a 1F capacity out of...Ch. 9 - A student decide to construct a capacitor using...Ch. 9 - At ambient temperature (25oC), a certain capacitor...Ch. 9 - A 0.001F capacitor has a positive temperature...Ch. 9 - In the construction of a stacked-foil mica...Ch. 9 - What type of capacitor has the higher dielectric...Ch. 9 - Show how to connect an electrolytic capacitor...Ch. 9 - Determine the value of the typographically labeled...Ch. 9 - Name two types of electrolytic capacitors. How do...Ch. 9 - Prob. 17PCh. 9 - Five 1000pF capacitors are in series. What is the...Ch. 9 - Find the total capacitance for each circuit in...Ch. 9 - For each circuit in Figure 9-65 determine the...Ch. 9 - The total charge stored by the series capacitors...Ch. 9 - Determine CT for each circuit in Figure 9-67.Ch. 9 - Determine the total capacitance and total charge...Ch. 9 - Assume you need a total capacitance of 2.1F in a...Ch. 9 - Determine the time constant for each of the...Ch. 9 - Determine how long it takes the capacitor to reach...Ch. 9 - In the circuit of Figure 9-69, the capacitor...Ch. 9 - In Figure 9-70, the capacitor is charged to 25 V....Ch. 9 - Repeat Problem 27 for the following time...Ch. 9 - Repeat Problem 28 for the following time...Ch. 9 - Deterimine XC for a 0.0047F capacitor at each of...Ch. 9 - What is the value of the total capacitive...Ch. 9 - For the circuit in Figure 9-72, find the reactance...Ch. 9 - Prob. 34PCh. 9 - A sinusoidal voltage of 20Vrms produces an rms...Ch. 9 - A 10 kHz voltage is applied to a 0.0047F...Ch. 9 - Determine the true power and the reactive power in...Ch. 9 - If another capacitor is connected in parallel with...Ch. 9 - Ideally, what should the reactance of a bypass...Ch. 9 - Two series capacitors (one 1F, the other of...Ch. 9 - Prob. 41PCh. 9 - How long does it take C to charge to 8 V in Figure...Ch. 9 - Detemine the time constant for the circuit in...Ch. 9 - In Figure 9-74, the capacitor initially is...Ch. 9 - The capacitor in Figure 9-75 is uncharged when the...Ch. 9 - Determine the ac voltage across each capacitor and...Ch. 9 - Find the value of C1 in Figure 9-77.Ch. 9 - How much does the voltage across C5andC6 change...Ch. 9 - If C4 in Figure 9-76 is open determine the voltage...Ch. 9 - Prob. 50PCh. 9 - Prob. 51PCh. 9 - Prob. 52PCh. 9 - Prob. 53PCh. 9 - Prob. 54P
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.Similar questions
- You find that a 25-F capacitor connected to 480 VAC is defective. The storeroom has no capacitors with a 480-VAC rating. However, you find two capacitors rated at 50 F and 370 VAC. Can these two capacitors be connected in such a manner that they can replace the defective capacitor? If yes, explain how they are connected and why the capacitors will not be damaged by the lower voltage rating. If no, explain why they cannot be used without damaging the capacitor.arrow_forwardA postage stamp mica capacitor has the following color marks starting at the upper left dot: yellow, violet, brown, green, no color, and blue. What are the capacitance value, tolerance, and voltage rating of this capacitor?arrow_forwardYou are an electrician working in an industrial plant. You discover that the problem with a certain machine is a defective capacitor. The capacitor is connected to a 240-volt AC circuit. The information on the capacitor reveals that it has a capacitance value of 10 mF and a voltage rating of 240 VAC. The only 10-mF AC capacitor in the storeroom is marked with a voltage rating of 350 WVDC. Can this capacitor be used to replace the defective capacitor? Explain your answer.arrow_forward
- A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating of 600 WVDC. The capacitor and resistor are connected to a 480-V, 60-Hz circuit. Is the voltage rating of the capacitor sufficient for this connection?arrow_forwardA pure capacitive circuit is connected to a 480-volt, 60-Hz power source. An ammeter indicates a current flow of 24 amperes. The circuit current must be reduced to 16 amperes by connecting a second capacitor in series with the first. What is the value of the existing capacitor? What value capacitor should be connected in series with the original capacitor to limit the circuit current to 16 amperes?arrow_forwardList the five capacitor replacement rules.arrow_forward
- An RC series circuit is connected to a 120-V, 60-Hz power source. The resistor is 25 and has a voltage drop of 65 volts. What is the capacitance of the capacitor?arrow_forwardYou are working in an industrial plant. You have been instructed to double the capacitance connected to a machine. The markings on the capacitor, however, are not visible. The capacitor is connected to 560 volts and an ammeter indicates a current of 6 amperes flowing to the capacitor. What size capacitor should be connected in parallel with the existing capacitor? What is the minimum AC voltage rating of the new capacitor? What is the minimum DC voltage rating of the new capacitor? What is the minimum KVAR size that can be used in this installation?arrow_forwardAssume the circuit in Figure 21-1 has a power factor of 68%, an apparent power of 300 VA, and a frequency of 400 Hz. The capacitor has a capacitance of 4.7125 F. Find the missing values. ET ER EC IT IR IC Z R XC VA300 P VARSC PF68 C4.7125Farrow_forward
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