Problem 26.1QQ: A capacitor stores charge Q at a potential difference V. What happens if the voltage applied to the... Problem 26.2QQ: Many computer keyboard buttons are constructed of capacitors as shown in Figure 25.3. When a key is... Problem 26.3QQ: Two capacitors are identical. They can be connected in series or in parallel. If you want the... Problem 26.4QQ: You have three capacitors and a battery. In which of the following combinations of the three... Problem 26.5QQ: If you have ever tried to hang a picture or a mirror, you know it can be difficult to locate a... Problem 26.1OQ: A fully charged parallel-plate capacitor remains connected to a battery while you slide a dielectric... Problem 26.2OQ: By what factor is the capacitance of a metal sphere multiplied if its volume is tripled? (a) 3 (b) 3... Problem 26.3OQ: An electronics technician wishes to construct a parallel-plate capacitor using rutile (k = 100) as... Problem 26.4OQ: A parallel-plate capacitor is connected to a battery. What happens to the stored energy if the plate... Problem 26.5OQ: If three unequal capacitors, initially uncharged, are connected in series across a battery, which of... Problem 26.6OQ: Assume a device is designed to obtain a large potential difference by first charging a bank of... Problem 26.7OQ: (i) What happens to the magnitude of the charge 011 each plate of a capacitor if the potential... Problem 26.8OQ: A capacitor with very large capacitance is in series with another capacitor with very small... Problem 26.9OQ: A parallel-plate capacitor filled with air carries a charge Q. The batten is disconnected, and a... Problem 26.10OQ: (i) A battery is attached to several different capacitors connected in parallel. Which of the... Problem 26.11OQ: A parallel-plate capacitor is charged and then is disconnected from the battery. By what factor does... Problem 26.12OQ: (i) Rank the following five capacitors from greatest to smallest capacitance, noting any cases of... Problem 26.13OQ: True or False? (a) From the definition of capacitance C = Q/V it follows that an uncharged capacitor... Problem 26.14OQ: You charge a parallel-plate capacitor, remove it from the battery, and prevent the wires connected... Problem 26.1CQ: (a) Why is it dangerous to touch the terminals of a high-voltage capacitor even after the voltage... Problem 26.2CQ: Assume you want to increase the maximum operating voltage of a parallel-plate capacitor. Describe... Problem 26.3CQ: If you were asked to design a capacitor in which small size and large capacitance were required,... Problem 26.4CQ Problem 26.5CQ: Explain why the work needed to move a particle with charge Q through a potential difference V is W =... Problem 26.6CQ: An air-filled capacitor is charged, then disconnected from the power supply, and finally connected... Problem 26.7CQ: The sum of the charges on both plates of a capacitor is zero. What does a capacitor store? Problem 26.8CQ: Because the charges on the plates of a parallel-plate capacitor are opposite in sign, they attract... Problem 26.1P: (a) When a battery is connected to the plates of a 3.00-F capacitor, it stores a charge of 27.0 C.... Problem 26.2P: Two conductors having net charges of +10.0 C and 10.0 C have a potential difference of 10.0 V... Problem 26.3P: (a) How much charge is on each plate of a 4.00-F capacitor when it is connected to a 12.0-V battery?... Problem 26.4P: An air-filled parallel-plate capacitor has plates of area 2.30 cm2 separated by 1.50 mm. (a) Find... Problem 26.5P: A 50.0-in length of coaxial cable has an inner conductor that has a diameter of 2.58 mm and carries... Problem 26.6P: (a) Regarding (lie Earth and a cloud layer 800 m above the Earth as the plates of a capacitor,... Problem 26.7P: When a potential difference of 150 V is applied to the plates of a parallel-plate capacitor, the... Problem 26.8P Problem 26.9P: An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by... Problem 26.10P: A variable air capacitor used in a radio tuning circuit is made of N semicircular plates, each of... Problem 26.11P: An isolated, charged conducting sphere of radius 12.0 cm creates an electric field of 4.90 104 N/C... Problem 26.12P: Review. A small object of mass m carries a charge q and is suspended by a thread between the... Problem 26.13P: Two capacitors, C1 = 5.00 F and C2 = 12.0 F, are connected in parallel, and the resulting... Problem 26.14P: What If? The two capacitors of Problem 13 (C1 = 5.00 F and C2 = 12.0 F) are now connected in series... Problem 26.15P: Find the equivalent capacitance of a 4.20-F capacitor and an 8.50-F capacitor when they are... Problem 26.16P Problem 26.17P: According to its design specification, the timer circuit delaying the closing of an elevator door is... Problem 26.18P: Why is the following situation impossible? A technician is testing a circuit that contains a... Problem 26.19P: For the system of four capacitors shown in Figure P26.19, find (a) the equivalent capacitance of the... Problem 26.20P: Three capacitors are connected to a battery as shown in Figure P25.10. Their capacitances are C1 =... Problem 26.21P: A group of identical capacitors is connected first in series and then in parallel. The combined... Problem 26.22P: (a) Find the equivalent capacitance between points a and b for the group of capacitors connected as... Problem 26.23P: Four capacitors are connected as shown in Figure P25.11. (a) Find the equivalent capacitance between... Problem 26.24P: Consider the circuit shown in Figure P26.24, where C1, = 6.00 F, C2 = 3.00 F. and V = 20.0 V.... Problem 26.25P: Find the equivalent capacitance between points a and b in the combination of capacitors shown in... Problem 26.26P: Find (a) the equivalent capacitance of the capacitors in Figure P26.26, (b) the charge on each... Problem 26.27P: Two capacitors give an equivalent capacitance of 9.00 pF when connected in parallel and an... Problem 26.28P: Two capacitors give an equivalent capacitance of Cp when connected in parallel and an equivalent... Problem 26.29P: Consider three capacitors C1, C2. and C3 and a battery. If only C1 is connected to the battery, the... Problem 26.30P: The immediate cause of many deaths is ventricular fibrillation, which is an uncoordinated quivering... Problem 26.31P: A 12.0-V battery is connected to a capacitor, resulting in 54.0 C of charge stored on the capacitor.... Problem 26.32P: A 3.00-F capacitor is connected to a 12.0-V battery. How much energy is stored in the capacitor? (b)... Problem 26.33P: As a person moves about in a dry environment, electric charge accumulates on the person's body. Once... Problem 26.34P: Two capacitors, C1 = 18.0 F and C2 = 36.0 F, are connected in series, and a 12.0-V battery is... Problem 26.35P: Two identical parallel-plate capacitors, each with capacitance 10.0 F, are charged to potential... Problem 26.36P: Two identical parallel-plate capacitors, each with capacitance C, are charged to potential... Problem 26.37P: Two capacitors, C1 = 25.0 F and C2 = 5.00 F, are connected in parallel and charged with a 100-V... Problem 26.38P: A parallel-plate capacitor has a charge Q and plates of area A. What force acts on one plate to... Problem 26.39P: Review. A storm cloud and the ground represent the plates of a capacitor. During a storm, the... Problem 26.40P: Consider two conducting spheres with radii R1 and R2 separated by a distance much greater than... Problem 26.41P: Review. The circuit in Figure P26.41 (page 804) consists of two identical, parallel metal plates... Problem 26.42P: A supermarket sells rolls of aluminum foil, plastic wrap, and waxed paper. (a) Describe a capacitor... Problem 26.43P: (a) How much charge can be placed 011 a capacitor with air between the plates before it breaks down... Problem 26.44P: The voltage across an air-filled parallel-plate capacitor is measured to be 85.0 V as shown in... Problem 26.45P: Determine (a) the capacitance and (b) the maximum potential difference that can be applied to a... Problem 26.46P: A commercial capacitor is to be constructed as shown in Figure P25.27. This particular capacitor is... Problem 26.47P: A parallel-plate capacitor in air has a plate separation of 1.50 cm and a plate area of 25.0 cm2.... Problem 26.48P: Each capacitor in the combination shown in Figure P25.28 has a breakdown voltage of 15.0 V. What is... Problem 26.49P: A 2.00-nF parallel-plate capacitor is charged to an initial potential difference Vi = 100 V and is... Problem 26.50P: A small rigid object carries positive and negative 3 .50-nC charges. It is oriented so that the... Problem 26.51P: An infinite line of positive charge lies along the y axis, with charge density = 2.00 C/m. A dipole... Problem 26.52P: A small object with electric dipole moment p is placed in a nonuniform electric field E=E(x)i. That... Problem 26.53P: The general form of Gausss law describes how a charge creates an electric field in a material, as... Problem 26.54AP: Find the equivalent capacitance of' the group of capacitors shown in Figure P26.54. Problem 26.55AP: Four parallel metal plates P1, P2, P3, and P4, each of area 7.50 cm2, are separated successively by... Problem 26.56AP: For (he system of four capacitors shown in Figure P26.19. find (a) the total energy stored in the... Problem 26.57AP: A uniform electric field E = 3 000 V/m exists within a certain region. What volume of space contains... Problem 26.58AP: Two large, parallel metal plates, each of area A, are oriented horizontally and separated by a... Problem 26.59AP: A parallel-plate capacitor is constructed using a m dielectric material whose dielectric constant is... Problem 26.60AP: Why is the following situation impossible? A 10.0-F capacitor has plates with vacuum between them.... Problem 26.61AP Problem 26.62AP: A parallel-plate capacitor with vacuum between its horizontal plates has a capacitance of 25.0 F. A... Problem 26.63AP: A 10.0-F capacitor is charged to 15.0 V. It is next connected in series with an uncharged 5.00-F... Problem 26.64AP: Assume that the internal diameter of the GeigerMueller tube described in Problem 42 in Chapter 24 is... Problem 26.65AP: Two square plates of sides are placed parallel to each other with separation d as suggested in... Problem 26.66AP: (a) Two spheres have radii a and b, and their centers are a distance d apart. Show that the... Problem 26.67AP: A capacitor of unknown capacitance has been chained to a potential difference of 100 V and then... Problem 26.68AP: A parallel-plate capacitor of plate separation d is charged to a potential difference V0. A... Problem 26.69AP Problem 26.70AP: Example 25.1 explored a cylindrical capacitor of length with radii a and b for the two conductors.... Problem 26.71AP: To repair a power supply for a stereo amplifier, an electronics technician needs a 100-F capacitor... Problem 26.72CP: The inner conductor of a coaxial cable has a radius of 0.800 mm. and the outer conductors inside... Problem 26.73CP: Some physical systems possessing capacitance continuously distributed over space can be modeled as... Problem 26.74CP: Consider two long, parallel, and oppositely charged wires of radius r with their centers separated... Problem 26.75CP: Determine the equivalent capacitance of the combination shown in Figure P26.75. Suggestion: Consider... Problem 26.76CP: A parallel-plate capacitor with plates of area LW and plate separation t has the region between its... Problem 26.77CP: Calculate the equivalent capacitance between points a and b in Figure P26.77. Notice that this... Problem 26.78CP: A capacitor is constructed from two square, metallic plates of sides and separation d. Charges +Q... format_list_bulleted