EBK PHYSICS FOR SCIENTISTS & ENGINEERS
5th Edition
ISBN: 9780134296074
Author: GIANCOLI
Publisher: VST
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9:22 24)
شهد
قبل 3 دقائق
What is the potential difference ( in volts) across C, when C, = 5.0 pf, C, = 15 uF, C= 30 uF, and Vo- 278 V?
(II) Determine the terminal voltage of each battery in
Fig. 19–54.
r= 2.0 2
E = 18 V
R=4.8 2
r= 1.0 2
FIGURE 19-54
E = 12 V
Problem 26.
(I) An electric car has a battery that can hold 16 kWh ofenergy (approximately 6x107 J ). If the battery is designedto operate at 340 V, how many coulombs of charge wouldneed to leave the battery at 340 V and return at 0 V to equalthe stored energy of the battery?
Chapter 25 Solutions
EBK PHYSICS FOR SCIENTISTS & ENGINEERS
Ch. 25.2 - If 1 million electrons per second pass a point in...Ch. 25.2 - Prob. 1BECh. 25.3 - Return to the Chapter-Opening Question, page 651,...Ch. 25.4 - Prob. 1DECh. 25.4 - Prob. 1EECh. 25.4 - Prob. 1FECh. 25.4 - How many 60-W 120-V lightbulbs can operate on a...Ch. 25.6 - Each channel of a stereo receiver is capable of an...Ch. 25 - What quantity is measured by a battery rating...Ch. 25 - When an electric cell is connected to a circuit,...
Ch. 25 - When a flashlight is operated, what is being used...Ch. 25 - One terminal of a car battery is said to be...Ch. 25 - When you turn on a water faucet, the water usually...Ch. 25 - Can a copper wire and an aluminum wire of the same...Ch. 25 - The equation P = V2/R indicates that the power...Ch. 25 - What happens when a lightbulb burns out?Ch. 25 - If the resistance of a small immersion heater (to...Ch. 25 - Prob. 10QCh. 25 - Explain why lightbulbs almost always burn out just...Ch. 25 - Which draws more current, a 100-W lightbulb or a...Ch. 25 - Electric power is transferred over large distances...Ch. 25 - A 15-A fuse blows repeatedly. Why is it dangerous...Ch. 25 - When electric lights are operated on low-frequency...Ch. 25 - Driven by ac power, the same electrons pass back...Ch. 25 - The heating element in a toaster is made of...Ch. 25 - Is current used up in a resistor? Explain.Ch. 25 - Compare the drift velocities and electric currents...Ch. 25 - A voltage V is connected across a wire of length l...Ch. 25 - Why is it more dangerous to turn on an electric...Ch. 25 - Prob. 1PCh. 25 - Prob. 2PCh. 25 - Prob. 3PCh. 25 - Prob. 4PCh. 25 - Prob. 5PCh. 25 - Prob. 6PCh. 25 - Prob. 7PCh. 25 - Prob. 8PCh. 25 - Prob. 9PCh. 25 - Prob. 10PCh. 25 - Prob. 11PCh. 25 - Prob. 12PCh. 25 - Prob. 13PCh. 25 - Prob. 14PCh. 25 - Prob. 15PCh. 25 - (II) A rectangular solid made of carbon has sides...Ch. 25 - (III) A hollow cylindrical resistor with inner...Ch. 25 - Prob. 63GP
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- Check Your Understanding Determine the net capacitance C of each network of capacitors shown below. Assume the C1= 1.0 pF, C2=2.0pF, C3=4.0pF, and C4=5.0 pF. Find the charge on each capacitor, assuming there is a potential difference of 12.0 V across each network.arrow_forwardCheck Your Understanding When a cylindrical capacitor is given a charge of 0.500 nC, a potential difference of 20.0 V is measured between the cylinders, (a) What is the capacitance of this system? (b) If the cylinders are 1.0 m long, what is the ratio of their radii?arrow_forward(I) (a) Six 4.8µF capacitors are connected in parallel.What is the equivalent capacitance? (b) What is their equivalent capacitance if connected in series?arrow_forward
- In the circuit shown in Fig. 19–93, C¡ = 1.0 µF, C2 = 2.0 µF, C3 = 2.4 µF, and a voltage_ Vab = 24 V is applied across points a and b. After C, is fully charged, the switch is thrown to the right. What is the final charge and potential differ- ence on each capacitor? ao C2 FIGURE 19-93 C3 Problem 97. boarrow_forward(II) If 21.0 V is applied across the whole network of Fig. 19–63, calculate (a) the voltage across each capacitor and (b) the charge on each capacitor. C = 3.00 μF C2 = 4.00 μF C3 = 2.00 μF FIGURE 19-63 V= Problems 39 and 40. -21.0 V-arrow_forwardcapacitor and take C = xe A/d and Q = CAV to investigate the charge as follows. Use typical values for a cylindrical axon of cell wall thickness d = 1.6 x 10-8 m, axon radius r = 2.0 x 10¹ μm, and cell-wall dielectric constant x = 2.2. Positive charge layer Negative { charge layer External fluid Axon wall membrane 1 O No O Internal fluid Axon radius = r + d Q (a) Calculate the positive charge on the outside of a 0.10-m piece of axon when it is not conducting an electric pulse. (Assume an initial potential difference of 7.0 x 10-2 v.) C How many K+ ions are on the outside of the axon assuming an initial potential difference of 7.0 x 10-2 V? K+ ions Is this a large charge per unit area? Hint: Calculate the charge per unit area in terms of electronic charge e per angstrom squared (A2). An atom has a cross section of about 1 A² (1 A = 10-10 m). (Compare to normal atomic spacing of one atom every few A.) Yesarrow_forward
- (III) Two resistors and two uncharged capacitors are arranged as shown in Fig. 19–72. Then a potential difference of 24 V is applied across the combination as shown. (a) What is the potential at point a with switch S open? (Let V = 0 at the negative terminal of the source.) (b) What is the potential at point b with the switch open? (c) When the switch is closed, what is the final potential of point b? (d) How much + charge flows through 24 V 8.8 N 0.48 μF a S the switch S after it is closed? 4.4 2 0.36 μF FIGURE 19–72 Problem 58.arrow_forwardIf Vab=10 Volts according to the circuit in the figure, find the charge accumulated on the 6 uF capacitor? a 3µF 28µF 14µF lµF 6µF 3 - 3µF, 7µF 3µF 18µF O a) 5 ОВ) 10 O NS) 160/21 OD) 4.84.10^(-6) O TO) 4arrow_forwardA particular 12 V car battery can send a total charge of 84Ah (ampere-hours) through a circuit, from one terminal to the other. (a) How many coulombs of charge does this represent? (Hint: See Eq. 21-3.) (b) If this entire charge undergoes a change in electric potential of 12 V, how much energy is involved?arrow_forward
- 9:21 25) O MOGD شهد قبل دقیقتين A solid cylindrical conductor of radius 2.1 cm is coaxial with a cylindrical shell of negligible thickness, radius 23 cm. Find the capacitance in units of nf) of this cylindrical capacitor if its length is 38.6 m.arrow_forward(a) A 60-W incandescent bulb operates at 120 V. How many electrons and coulombs flow through the bulb in one hour? +arrow_forwardHelp mearrow_forward
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