Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN: 9781337553292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Textbook Question
Chapter 26, Problem 50CP
Material with uniform resistivity ρ is formed into a wedge as shown in Figure P26.50. Show that the resistance between face A and face B of this wedge is
Figure P26.50
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Material with uniform resistivity p is formed into a wedge as
shown in Figure P26.50. Show that the resistance between
face A and face B of this wedge is
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R= p
In
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Face A
Face B
Figure P26.50
Material with uniform resistivity ρ is formed into a wedge as shown in Figure P26.50. Show that the resistance between face A and face B of this wedge is
The circuit in Figure P27.41 contains two resistors, R1 = 2.00 kΩ and R2 = 3.00 kΩ, and two capacitors, C1 = 2.00 μF and C2 = 3.00 μF, connected to a battery with emf ε = 120 V. If there are no charges on the capacitors before switch S is closed, determine the charges on capacitors (a) C1 and (b) C2 as functions of time, after the switch is closed.
Chapter 26 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 26.1 - Consider positive and negative charges of equal...Ch. 26.2 - Prob. 26.2QQCh. 26.2 - Prob. 26.3QQCh. 26.4 - When does an incandescent lightbulb carry more...Ch. 26 - Prob. 1PCh. 26 - A small sphere that carries a charge q is whirled...Ch. 26 - Prob. 3PCh. 26 - Prob. 4PCh. 26 - Prob. 5PCh. 26 - Figure P26.6 represents a section of a conductor...
Ch. 26 - The quantity of charge q (in coulombs) that has...Ch. 26 - Prob. 8PCh. 26 - Prob. 9PCh. 26 - A wire 50.0 m long and 2.00 mm in diameter is...Ch. 26 - Prob. 11PCh. 26 - Prob. 12PCh. 26 - Prob. 13PCh. 26 - Prob. 14PCh. 26 - Prob. 15PCh. 26 - Prob. 16PCh. 26 - Prob. 17PCh. 26 - Prob. 18PCh. 26 - An aluminum wire with a diameter of 0.100 mm has a...Ch. 26 - Prob. 20PCh. 26 - At what temperature will aluminum have a...Ch. 26 - You are working in a laboratory that studies the...Ch. 26 - Assume that global lightning on the Earth...Ch. 26 - The Van de Graaff generator, diagrammed in Figure...Ch. 26 - Prob. 25PCh. 26 - The potential difference across a resting neuron...Ch. 26 - Prob. 27PCh. 26 - Prob. 28PCh. 26 - Prob. 29PCh. 26 - Prob. 30PCh. 26 - Prob. 31PCh. 26 - Prob. 32PCh. 26 - Prob. 33PCh. 26 - Prob. 34APCh. 26 - Prob. 35APCh. 26 - You are working with an oceanographer who is...Ch. 26 - A charge Q is placed on a capacitor of capacitance...Ch. 26 - Prob. 38APCh. 26 - Prob. 39APCh. 26 - Prob. 40APCh. 26 - Review. An office worker uses an immersion heater...Ch. 26 - Prob. 42APCh. 26 - A close analogy exists between the flow of energy...Ch. 26 - The dielectric material between the plates of a...Ch. 26 - Review. A parallel-plate capacitor consists of...Ch. 26 - Prob. 46APCh. 26 - Prob. 47APCh. 26 - Prob. 48CPCh. 26 - Prob. 49CPCh. 26 - Material with uniform resistivity is formed into...
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- A battery is used to charge a capacitor through a resistor as shown in Figure P27.44. Show that half the energy supplied by the battery appears as internal energy in the resistor and half is stored in the capacitor. Figure P27.44arrow_forwardAn oceanographer is studying how the ion concentration in seawater depends on depth. She makes a measurement by lowering into the water a pair of concentric metallic cylinders (Fig. P21.66) at the end of a cable and taking data to determine the resistance between these electrodes as a function of depth. The water between the two cylinders forms a cylindrical shell of inner radius ra, outer radius rb, and length L much larger than rb. The scientist applies a potential difference V between the inner and outer surfaces, producing an outward radial current I. Let represent the resistivity of the water. (a) Find the resistance of the water between the cylinders in terms of L, , ra, an rb. (b) Express the resistivity of the water in terms of the measured quantities L, ra, rb, V, and I. Figure P21.66arrow_forwardFigure P29.45 shows five resistors connected between terminals a and b. a. What is the equivalent resistance of this combination of resistors? b. What is the current through each resistor if a 24.0-V battery is connected across the terminals?arrow_forward
- Calculate the equivalent resistance between points P and Q of the electrical network shown in Figure P29.80.arrow_forwardFor the purpose of measuring the electric resistance of shoes through the body of the wearer standing on a metal ground plate, the American National Standards Institute (ANSI) specifies the circuit shown in Figure P27.14. The potential difference AVacross the 1.00-M2 resistor is measured with an ideal voltmeter. (a) Show that the resistance of the footwear is 50.0 V – AV shoes AV (b) In a medical test, a current through the human body should not exceed 150 µA. Can the current delivered by the ANSI-specified circuit exceed 150 µA? To decide, consider a person standing barefoot on the ground plate. 1.00 MN V 50.0 V Figure P27.14arrow_forwardThe emf source, E. of the circuit shown in the figure has negligible internal resistance. The resistors have resistances R= 6.62 and R,=4.92. The capacitor has a capacitance C 13.4 uF When the capacitor is fully charged, the magnitude of the charge on its plates is Q 17.1 uC. What is E in units of Volts? R2 O 4.4 O 2.2 R1 O 3.1 O 0.22 O 1.1arrow_forward
- The circuit in Figure P18.62 contains two resistors, R1 = 2.0kΩ and R2 = 3.0 kΩ, and two capacitors, C1 = 2.0 µF and C2 =3.0 µF, connected to a battery with emf ε = 120 V. If there areno charges on the capacitors before switch S is closed, determinethe charges q1 and q2 on capacitors C1 and C2, respectively,as functions of time, after the switch is closed. Hint: Firstreconstruct the circuit so that it becomes a simple RC circuitcontaining a single resistor and single capacitor in series, connectedto the battery, and then determine the total charge qstored in the circuit.arrow_forwardFigure P19.35 + E R₂ ww ww R3 www R₁ 36. (a) Determine the equivalent resistance of resistors R₁, R₂, and R3 in Figure P19.35 for R₁ =502, R₂ =30 92, and R3 =15 2. (b) Determine the current through R₁ if ε = 120 V. (c) Use Kirchhoff's loop rule and your result from part (b) to determine the current through R₂ and through R3.arrow_forwarda.Estimate the electrical resistance of the blood in a 50cm long, 3mm diameter artery. The resistivity of blood is 1.6 ohm-meter.Express your answer in cΩ, mΩ,μΩ, and nΩ. B. Suppose the energy for two doughnuts in Thermodynamics are totally converted into electric potential energy at point a, wherein a dust particle of 5 × 10-9 kg with 9nC charge is travelling from point a with 600 m/s to point b (where there is no electric potential energy). How fast does the dust particle is moving at point b?arrow_forward
- A coaxial cable consists of two concentric cylindrical conductors. The region between the conductors is completely filled with polyethylene plastic as shown in the figure. The radius of the inner conductor is a= 0.6 cm, the radius of the outer conductor is b = 1.8 cm, and the length is L= 30 cm. The resistivity of the plastic is p= 1013 n. m Calculate the resistance of the plastic between the two conductors. Inner Outer conductor conductorarrow_forwardFind the potential difference across each resistor in Figure P18.29. (R1 = 5.12 N, R2 = 4.30 N, R3 = 2.90 2, R4 = 2.30 0) V VR, %3D VR2 %3D VR3 %3D VRA V 3.00 V 18.0 V 12.0 V R, R, R R3 Figure P18.29arrow_forwardFind the potential difference across each resistor in Figure P18.29. (R1 = 4.72 2, R2 = 3.85 2, R3 = 2.85 2, R4 = 2.40 2) 4.22257 Your response differs from the correct answer by more than 100%. V VR. VR2 VR3 VRA | 3.00 V _ 18.0 V 12.0 V R4 R, R, Raarrow_forward
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DC Series circuits explained - The basics working principle; Author: The Engineering Mindset;https://www.youtube.com/watch?v=VV6tZ3Aqfuc;License: Standard YouTube License, CC-BY