Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Chapter 25, Problem 49SP
A capacitor with air between its plates has capacitance 3.0
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Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 25 - 25.29 [I] What happens to the electric potential...Ch. 25 - 25.30 [I] What happens to the electric potential...Ch. 25 - 25.31 [I] What happens to the electric potential...Ch. 25 - 25.32 [I] Determine the electric potential 1.00 cm...Ch. 25 - 25.33 [I] Imagine a +40.0-nC point charge in...Ch. 25 - 25.34 [I] A small metal sphere carrying a charge...Ch. 25 - 25.35 [I] Imagine a charge in an evacuated...Ch. 25 - 25.36 [I] Two metal plates are attached to the two...Ch. 25 - 25.37 [II] The plates described in Problem 25.36...Ch. 25 - 25.38 [II] A proton is accelerated from rest...
Ch. 25 - 25.39 [II] An electron gun shoots electrons at a...Ch. 25 - 25.40 [I] The potential difference between two...Ch. 25 - 25.41 [II] An electron is shot with speed ...Ch. 25 - 25.42 [II] A potential difference of 24 kV...Ch. 25 - 25.43 [II] Compute the magnitude of the electric...Ch. 25 - 25.44 [II] A charge of 0.20 is 30 cm from a point...Ch. 25 - 25.45 [II] A point charge of +2.0 is placed at...Ch. 25 - 25.46 [II] In Problem 25.45, what is the...Ch. 25 - 25.47 [II] An electron is moving in the...Ch. 25 - 25.48 [II] An electron has a speed of as it...Ch. 25 - 25.49 [I] A capacitor with air between its plates...Ch. 25 - 25.50 [I] Determine the charge on each plate of a...Ch. 25 - 25.51 [I] A capacitor is charged with 9.6 nC and...Ch. 25 - 25.52 [I] Compute the energy stored in a 60-pF...Ch. 25 - 25.53 [II] Three capacitors, each of capacitance...Ch. 25 - 25.54 [I] Three capacitors (2.00, 5.00, and 7.00)...Ch. 25 - 25.55 [I] Three capacitors (2.00, 5.00, and 7.00)...Ch. 25 - 25.56 [I] The capacitor combination in Problem...Ch. 25 - 25.57 [II] Two capacitors (0.30 and 0.50 ) are...Ch. 25 - 25.58 [II] A 2.0- capacitor is charged to 50 V and...Ch. 25 - 25.59 [II] Repeat Problem 25.58 if the positive...Ch. 25 - 25.60 [II] (a) Calculate the capacitance of a...Ch. 25 - 25.61 [II] Referring to Fig. 25-2, if the...Ch. 25 - 25.62 [II] Referring to Fig. 25-2, if the...Ch. 25 - 25.63 [II] Referring to Fig. 25-2, if the...Ch. 25 - 25.64 [II] Referring to Fig. 25-10, what is the...Ch. 25 - 25.65 [II] Referring to Fig. 25-12, what is the...Ch. 25 - 25.66 [II] Referring to Fig. 25-13, what is the...
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- An electronics technician wishes to construct a parallel plate capacitor using rutile ( = 100) as the dielectric. The area of the plates is 1.00 cm2. What is the capacitance if the rutile thickness is 1.00 mm? (a) 88.5 pF (b) 177 pF (c) 8.85 F (d) 100 F (e) 35.4 Farrow_forwardA parallel-plate capacitor with capacitance C0 stores charge of magnitude Q0 on plates of area A0 separated by distance d0. The potential difference across the plates is V0. If the capacitor is attached to a battery and the charge is doubled to 2Q0, what are the ratios (a) Cnew/C0 and (b) Vnew/V0? A second capacitor is identical to the first capacitor except the plate area is doubled to 2A0. If given a charge of Q0, what are the ratios (c) Cnew/C0 and (d) Vnew/V0? A third capacitor is identical to the first capacitor, except the distance between the plates is doubled to 2d0. If the third capacitor is then given a charge of Q0, what are the ratios (e) Cnew/C0 and (f) Vnew/V0?arrow_forwardWhat If? The two capacitors of Problem 13 (C1 = 5.00 F and C2 = 12.0 F) are now connected in series and to a 9.00-Y battery. Find (a) the equivalent capacitance of the combination. (b) the potential difference across each capacitor, and (c) the charge on each capacitor.arrow_forward
- What is the maximum charge that can be stored on the 8.00-cm2 plates of an air-filled parallel-plate capacitor beforebreakdown occurs? The dielectric strength of air is 3.00 MV/m.arrow_forwardAn air-filled capacitor is made from two flat parallel plates 1.0 mm apart. The inside area of each plate is 8.0cm2. (a) What is the capacitance of this set of plates? (b) If the region between the plates is filled with a material whose dielectric constant is 6.0, what is the new capacitance?arrow_forwardA spherical capacitor consists of a spherical conducting shell of radius b and charge 2Q that is concentric with a smaller conducting sphere of radius a and charge +Q (Fig. P20.36). (a) Show that its capacitance is C=abke(ba) (b) Show that as b approaches infinity, the capacitance approaches the value a/ke = 40a. Figure P20.36arrow_forward
- A parallel-plate capacitor has plates of area A = 7.00 102 m2 separated by distance d = 2.00 104 m. (a) Calculate the capacitance if the space between the plates is filled with air. What is the capacitance if the space is filled half with air and half with a dielectric of constant = 3.70 as in (b) Figure P16.56a, and (c) Figure P16.56b? (Hint: In (b) and (c), one of the capacitors is a parallel combination and the other is a series combination.) Figure P16.56arrow_forwardBy what factor is the capacitance of a metal sphere multiplied if its volume is tripled? (a) 3 (b) 31/3 (c) 1 (d) 31/3 (e) 13arrow_forward(a) Find the equivalent capacitance between points a and b for the group of capacitors connected as shown in Figure P25.12 (page 686). Take C1 = 5.00 F, C2 = 10.0 F, and C3 = 2.00 F. (b) What charge is stored on C3 if the potential difference between points a and b is 60.0 V? Figure P25.12arrow_forward
- (a) Regarding (lie Earth and a cloud layer 800 m above the Earth as the plates of a capacitor, calculate the capacitance of the Earth-cloud layer system. Assume the cloud layer has an area of 1.00 km2 and the air between the cloud and the ground is pure and dry'. Assume charge builds up on the cloud and on the ground until a uniform electric field of 3.00 106 N/C throughout the space between them makes the air break down and conduct electricity as a lightning bolt, (b) What is the maximum charge the cloud can hold?arrow_forwardAn arrangement of capacitors is shown in Figure P27.23. a. If C = 9.70 105 F, what is the equivalent capacitance between points a and b? b. A battery with a potential difference of 12.00 V is connected to a capacitor with the equivalent capacitance. What is the energy stored by this capacitor? Figure P27.23 Problems 23 and 24.arrow_forwardAir breaks down and conducts charge as a spark if the electric field magnitude exceeds 3.00 106 V/m. (a) Determine the maximum charge Qmax that can be stored on an air-filled parallel-plate capacitor with a plate area of 2.00 104 m2. (b) A 75.0 F air-filled parallel-plate capacitor stores charge Qmax. Find the potential difference across its plates.arrow_forward
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