College Physics 11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Raymond A. Serway, Chris Vuille
1 Units, Trigonometry. And Vectors 2 Motion In One Dimension 3 Motion In Two Dimensions 4 Newton's Laws Of Motion 5 Energy 6 Momentum, Impulse, And Collisions 7 Rotational Motion And Gravitation 8 Rotational Equilibrium And Dynamics 9 Fluids And Solids 10 Thermal Physics 11 Energy In Thermal Processes 12 The Laws Of Thermodynamics 13 Vibrations And Waves 14 Sound 15 Electric Forces And Fields 16 Electrical Energy And Capacitance 17 Current And Resistance 18 Direct-Current Circuits 19 Magnetism 20 Induced Voltages And Inductance 21 Alternating-Current Circuits And Electromagnetic Waves 22 Reflection And Refraction Of Light 23 Mirrors And Lenses 24 Wave Optics 25 Optical Instruments 26 Relativity 27 Quantum Physics 28 Atomic Physics 29 Nuclear Physics 30 Nuclear Energy And Elementary Particles Chapter16: Electrical Energy And Capacitance
16.1 Electric Potential Energy And Electric Potential 16.2 Electric Potential And Potential Energy Of Point Charges 16.3 Potentials, Charged Conductors, And Equipotential Surfaces 16.4 Applications 16.5 Capacitors 16.6 Combinations Of Capacitors 16.7 Energy In A Capacitor 16.8 Capacitors With Dielectrics Chapter Questions Section: Chapter Questions
Problem 1CQ: A proton is released from rest in a uniform electric field. Determine whether the following... Problem 2CQ: An electron is released from rest in a uniform electric field. Determine whether the following... Problem 3CQ: Figure CQ16.3 shows equipotential contours in the region of space surrounding two charged... Problem 4CQ: Rank the potential energies of the four systems of particles shown in Figure CQ16.4 from largest to... Problem 5CQ: A parallel-plate capacitor with capacitance C0 stores charge of magnitude Q0 on plates of area A0... Problem 6CQ: An air-filled parallel-plate capacitor with capacitance C0 stores charge Q on plates separated by... Problem 7CQ: Choose the words that make each statement correct, (i) After being released from rest in a uniform... Problem 8CQ: Why is it important to avoid sharp edges or points on conductors used in high-voltage equipment? Problem 9CQ: Explain why, under static conditions, all points in a conductor must be at the same electric... Problem 10CQ: If you are given three different capacitors C1, C2, and C3, how many different combinations of... Problem 11CQ: (a) Why is it dangerous to touch the terminals of a high-voltage capacitor even after the voltage... Problem 12CQ: The plates of a capacitor are connected to a battery. (a) What happens to the charge on the plates... Problem 13CQ: Rank the electric potentials at the four points shown in Figure CQ16.13 from largest to smallest.... Problem 14CQ: If you were asked to design a capacitor in which small size and large capacitance were required,... Problem 15CQ: Is it always possible to reduce a combination of capacitors to one equivalent capacitor with the... Problem 16CQ: Explain why a dielectric increases the maximum operating voltage of a capacitor even though the... Problem 1P: A uniform electric field of magnitude 375 N/C pointing in the positive x-direction acts on an... Problem 2P: A proton is released from rest in a uniform electric field of magnitude 385 N/C. Find (a) the... Problem 3P: A potential difference of 90.0 mV exists between the inner and outer surfaces of a cell membrane.... Problem 4P: Cathode ray tubes (CRTs) used in old-style televisions have been replaced by modern LCD and LED... Problem 5P: A constant electric field accelerates a proton from rest through a distance of 2.00 m to a speed of... Problem 6P: A point charge q = +40.0 C moves from A to B separated by a distance d = 0.180 m in the presence of... Problem 7P: Oppositely charged parallel plates are separated by 5.33 mm. A potential difference of 600. V exists... Problem 8P: (a) Find the potential difference VB required to stop an electron (called a slopping potential)... Problem 9P: An ionized oxygen molecule (O+2) at point A has charge +e and moves at 2.00 103 m/s in the positive... Problem 10P: On planet Tehar, the free-fall acceleration is the same as that on the Earth, but there is also a... Problem 11P: An electron is at the origin, (a) Calculate the electric potential VA at point A, x = 0.250 cm. (b)... Problem 12P: The two charges in Figure P16.12 are separated by d = 2.00 cm. Find the electric potential at (a)... Problem 13P: (a) Find the electric potential, taking zero at infinity, at the upper right corner (the corner... Problem 14P: Three charges are situated at corners of a rectangle as in Figure P16.13. How much work must an... Problem 15P: Two point charges Q1 = +5.00 nC and Q2 = 3.00 nC are separated by 35.0 cm. (a) What is the electric... Problem 16P: Three identical point charges each of charge q are located at the vertices of an equilateral... Problem 17P: The three charges in Figure P16.17 are at the vertices of an isosceles triangle. Let q = 7.00 nC and... Problem 18P: A positive point charge q = +2.50 nC is located at x = 1.20 m and a negative charge of 2q = 5.00 nC... Problem 19P: A proton is located at the origin, and a second proton is located on the x-axis at x = 6.00 fm (1 fm... Problem 20P: A proton and an alpha particle (charge = 2e, mass = 6.64 1027 kg) are initially at rest, separated... Problem 21P: A tiny sphere of mass 8.00 g and charge 2.80 nC is initially at a distance of 1.60 m from a fixed... Problem 22P: The metal sphere of a small Van de Graaff generator illustrated in Figure 15.23 has a radius of 18... Problem 23P: In Rutherfords famous scattering experiments that led to the planetary model of the atom, alpha... Problem 24P: Four point charges each haring charge Q are located at the corners of a square haring sides of... Problem 25P: Calculate the speed of (a) an electron and (b) a proton with a kinetic energy of 1.00 electron volt... Problem 26P: An electric field does 1.50 103 eV of work on a carbon nucleus of charge 9.61 1019 C. Find the... Problem 27P: An alpha particle, which has charge 3.20 1019 C, is moved from point A, where the electric... Problem 28P: In the classical model of a hydrogen atom, an electron orbits a proton with a kinetic energy of... Problem 29P: Consider the Earth and a cloud layer 8.0 102 m above the planet to be the plates of a... Problem 30P: (a) When a 9.00-V battery is connected to the plates of a capacitor, it stores a charge of 27.0 C.... Problem 31P: An air-filled parallel-plate capacitor has plates of area 2.30 cm2 separated by 1.50 mm. The... Problem 32P: Air breaks down and conducts charge as a spark if the electric field magnitude exceeds 3.00 106... Problem 33P: An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2 and separated... Problem 34P: A 1-megabit computer memory chip contains many 60.0 1015-F capacitors. Each capacitor has a plate... Problem 35P: a parallel-plate capacitor with area 0.200 m2 and plate separation of 3.00 mm is connected to a... Problem 36P: A small object with a mass of 350. g carries a charge of 30.0 nC and is suspended by a thread... Problem 37P: Given a 2.50-F capacitor, a 6.25-F capacitor, and a 6.00-V battery, find the charge on each... Problem 38P: Two capacitors, C1 = 5.00 F and C2 = 12.0 F, are connected in parallel, and the resulting... Problem 39P: Find (a) the equivalent capacitance of the capacitors in Figure P16.39, (b) the charge on each... Problem 40P: Two capacitors give an equivalent capacitance of 9.00 pF when connected in parallel and an... Problem 41P: For the system of capacitors shown in Figure P16.41, find (a) the equivalent capacitance of the... Problem 42P: Consider the combination of capacitors in Figure P16.42. (a) Find the equivalent single capacitance... Problem 43P: Find the charge on each of the capacitors in Figure P16.43. Figure P16.43 Problem 44P: Three capacitors are connected to a battery as shown in Figure P16.44. Their capacitances are C1 =... Problem 45P: A 25.0-F capacitor and a 40.0-F capacitor are charged by being connected across separate 50.0-V... Problem 46P: (a) Find the equivalent capacitance between points a and b for the group of capacitors connected as... Problem 47P: A 1.00-F capacitor is charged by being connected across a 10.0-V battery. It is then disconnected... Problem 48P: Four capacitors are connected as shown in Figure P16.48. (a) Find the equivalent capacitance between... Problem 49P: A 12.0 V battery is connected to a 4.50 F capacitor. How much energy is stored in the capacitor? Problem 50P: Two capacitors, C1 = 18.0 F and C2 = 36.0 F, are connected in series, and a 12.0-V battery is... Problem 51P: A parallel-plate capacitor has capacitance 3.00 F. (a) How much energy is stored in the capacitor if... Problem 52P: Each plate of a 5.00 F capacitor stores 60.0 C of charge. (a) Find the potential difference across... Problem 53P: The voltage across an air-filled parallel-plate capacitor is measured to be 85.0 V. When a... Problem 54P: (a) How much charge can be placed on a capacitor with air between the plates before it breaks down... Problem 55P: Determine (a) the capacitance and (b) the maximum voltage that can be applied to a Teflon-filled... Problem 56P: A parallel-plate capacitor has plates of area A = 7.00 102 m2 separated by distance d = 2.00 104... Problem 57P: A model of a red blood cell portrays the cell as a spherical capacitor, a positively charged liquid... Problem 58AP: When a potential difference of 150. V is applied to the plates of an air-filled parallel-plate... Problem 59AP: Three parallel-plate capacitors are constructed, each having the same plate area A and with C1... Problem 60AP: For the system of four capacitors shown in Figure P16.41, find (a) the total energy stored in the... Problem 61AP: A parallel-plate capacitor with a plate separation d has a capacitance C0 in the absence of a... Problem 62AP: Two capacitors give an equivalent capacitance of Cp when connected in parallel and an equivalent... Problem 63AP: A parallel-plate capacitor is constructed using a dielectric material whose dielectric constant is... Problem 64AP: Two charges of 1.0 C and 2.0 C are 0.50 m apart at two vertices of an equilateral triangle as in... Problem 65AP: Find the equivalent capacitance of the group of capacitors shown in Figure P16.65. Figure P16.65 Problem 66AP: A spherical capacitor consists of a spherical conducting shell of radius b and charge Q concentric... Problem 67AP: The immediate cause of many deaths is ventricular fibrillation, an uncoordinated quivering of the... Problem 68AP: When a certain air-filled parallel-plate capacitor is connected across a battery, it acquires a... Problem 69AP: Capacitors C1 = 6.0 F and C2 = 2.0 F are charged as a parallel combination across a 250-V battery.... Problem 70AP: Two positive charges each of charge q are fixed on the y-axis, one at y = d and the other at y = d... Problem 71AP: Metal sphere A of radius 12.0 cm carries 6.00 C of charge, and metal sphere B of radius 18.0 cm... Problem 72AP: An electron is fired at a speed v0 = 5.6 106 m/s and at an angle 0 = 45 between two parallel... Problem 5P: A constant electric field accelerates a proton from rest through a distance of 2.00 m to a speed of...
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Concept explainers
A bare helium nucleus has two positive charges and a mass of 6.64 10-27 kg.
(a) Calculate its kinetic energy in joules at 4.40% of the speed of light .
Definition Definition Rate at which light travels, measured in a vacuum. The speed of light is a universal physical constant used in many areas of physics, most commonly denoted by the letter c . The value of the speed of light c = 299,792,458 m/s, but for most of the calculations, the value of the speed of light is approximated as c = 3 x 10 8 m/s.
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