Many computers keyboard buttons are constructed of capacitors as shown in figure 26.3. When a key is pushed down the soft insulator between the movable plate and the fixed plate is compressed. When the key is pressed. What happens to the capacitance. a. It increases b. It decreases c. It changes in the way you cannot determine because the electric circuit connected to the keyboard button may cause a charge in ∆V.

Q: uppose the two plates of a capacitor have different areas. When the capacitor is charged by…

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Q: Choose the correct answer. 1. When a slab of insulating material is inserted between the plates of a…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 1.) Give examples of devices and/or gadgets that make use of capacitors.

A: As per guidelines, first question (#1) has been answered. Large capacitors are used in sound systems…

Q: 4. Three capacitors are attached to the EMF as shown. The capacitances are C1 = 1 µF, C2 = 5 µF and…

A: Subpart (a): It can be seen from the diagram that capacitors C1 and C2 are in parallel. Thus, the…

Q: If you wish to store the largest amount of energy in a given collection of capacitors, how would you…

A: Let the capacitance of each capacitor = C  Let the potential difference provided by the source = V…

Q: Ultracapacitors are connected in series to store the solar energy delivered by solar panels. The…

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Q: 2. Study the figure below.

A: Equivalent capacitance in series  1/C = 1/C1 + 1/C2   equivalent capacitance in parallel  C = C1 +…

Q: 5. In a parallel capacitor, which is correct? i. the total capacitance is the sum of the individual…

A: When the capacitances are connected in parallel so the charge on each is different and the voltage…

Q: Capacitors C1,C2, and C3 are connected as shown in the figure below. If the capacitor have…

A: (A) Given that: The capacitors C1 and C2 are attached in parallel. So, the total capacitance will…

Q: 9. Calculate the equivalent capacitance between points a and b for the group of capacitors connected…

A: The values of the capacitors are, C1=5.12μFC2=10.1μFC3=2.15μF

Q: Capacitors C1 C2 and C3 are connected as shown in the figure below. If the capacitors have…

A: from the above figure, we can conclude that capacitor c1 and c2 are in parallel connection and…

Q: 7. Pulling the plates of an isolated charged capacitors apart: a. increases the capacitance b.…

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Q: What is the equivalent capacitance between points a and b in the figure below? Assume each capacitor…

A: Given data:  Three identical capacitors of capacitance C Two are connected in parallel combination…

Q: is 4. An additional piece of 6-mm insulation is inserted between the plates. What is the dielectric…

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Q: A parallel plate air capacitor has a capacitance of 5.0 F. What is its capacitance it the area of…

A: Given in question: Capacitance of parallel plate capacitor (C1) = 5.0F…

Q: How many of the following are true? 1. The capacity of a capacitor depends on the amount of charge…

A: We know that,  Capacitance,C=Q/V

Q: 1. The capacitance of the capacitors are affected by what factors? a. area of the plates and…

A: According to the guidelines, only one question will be answered.  Please submit the other question…

Q: Assuming the dielectric of each capacitor is air and the network is connected to Vab = 30V supply,…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: Two capacitors are identical. They can be connected in series or in parallel. If you want the…

A: Let the capacitance of both capacitors is equal to C.

Q: Why are dielectric materials used in capacitors

A: Dielectrics in capacitors serve three purposes: to keep the conducting plates from coming in…

Q: An isolated capacitor has an initial charge of Q. From the following statements, which is/are true…

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Q: Capacitance The capacitance of a parallel-plate capacitor does not depend on... A the area of the…

A: Capacitance of parallel plate capacitor is calculates as, C=kε0Ad.......................(1) Here A…

Q: 4. The electric potential inside a parallel-plate capacitor A. is constant. B. increases linearly…

A: Since, Electric field inside the capacitor is uniform. then moving from one point to another…

Q: A dielectric increases capacitance by multiplying the original capacitance in air by the dielectric…

A: Given :- Dielectric is inserted in air filled capacitor which is attached to a battery .

Q: A parallel-plate capacitor is fully charged by a battery. Now the battery is disconnected, and the…

A: The voltage is directly proportional to distance The capacitance is inversly proportional to…

Q: A parallel plate capacitor with area A and distance d has capacitance C. If now the area is half (A…

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Q: The capacitance of a parallel plate capacitor is C. If the separation d between the plates is…

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Q: Suppose the two plates of a capacitor have different areas. When the capacitor is charged by…

A: Given two plates of a capacitor have different areas We have to find When the capacitor is charged…

Q: 2. A homemade capacitor is assembled by placing two 9.0 inch pic pans 4.0cm apart and connecting…

A: Given,          The diameter is           The radius is           The separation distance is…

Q: Disconnected. A capacitor is charged to a fixed voltage without a dielectric. The battery is…

A: Given: A capacitor is charged to a fixed voltage and then after removing the battery, a dielectric…

Q: . Which of the following statements is TRUE? a. The SI unit for capacitance is farad b. Farad is…

A: si unit of the capacitor is Farad

Q: 9 F, what is its capacitance after wood, a dielectric material, is inserted to tric constant of 3.…

A: Capacitance = C = 9F dielectric constant of wood =K = 3

Q: Part B. Series-Parallel Capacitor Four capacitors are connected as shown in the figure below.…

A: Given, Capacitance,C1=2.5μF,C2=5μF,C3=45 nF,C4=30 nF Potential difference of battery, VT=30 V

Q: 2. Capacitors are used on a variety of devices, including defibrillators, microelectronics such as…

A: Capacitance of the capacitor is C = 15 microfarad Voltage is V = 11000 V

Q: Select the following that best describes a dielectric. A. All of these are correct. B. A dielectric…

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Q: A parallel plate capacitor has capacitance C. Determine the new capacitance when a dielectric with…

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Q: A parallel plate air capacitor has a capacitance of 5.0 F. What is its capacitance if the…

A: we know Capacitance of a parallel plate Capacitor C= ε0Ad where ε0 =permittivity of free space  A =…

Q: wo students were gven a task to connect a 2 uF capacitor and a O UF capacitor. 4. What type of…

A: First capacitor = 2 micro farad  Second capacitor = 6 micro farad

Q: network of six (6) capacitors connected in series-parallel combination is shown in the diagram…

A: Given  C1 = 1uF, C2 = 2uF, C3 = 3uF, C4 = 4uF, C5 = 5uF, C6 = 6uF V = 100 Volt

Combination of Capacitors

The connection of capacitors can be established in a circuit in two ways.