Bundle: Physics for Scientists and Engineers with Modern Physics, Loose-leaf Version, 9th + WebAssign Printed Access Card, Multi-Term
9th Edition
ISBN: 9781305932302
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 26, Problem 4OQ
To determine
The stored energy if the plate separation is doubled.
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Bundle: Physics for Scientists and Engineers with Modern Physics, Loose-leaf Version, 9th + WebAssign Printed Access Card, Multi-Term
Ch. 26.1 - A capacitor stores charge Q at a potential...Ch. 26.2 - Many computer keyboard buttons are constructed of...Ch. 26.3 - Two capacitors are identical. They can be...Ch. 26.4 - You have three capacitors and a battery. In which...Ch. 26.5 - If you have ever tried to hang a picture or a...Ch. 26 - Prob. 1OQCh. 26 - Prob. 2OQCh. 26 - Prob. 3OQCh. 26 - Prob. 4OQCh. 26 - Prob. 5OQ
Ch. 26 - Prob. 6OQCh. 26 - Prob. 7OQCh. 26 - Prob. 8OQCh. 26 - Prob. 9OQCh. 26 - Prob. 10OQCh. 26 - Prob. 11OQCh. 26 - Prob. 12OQCh. 26 - Prob. 13OQCh. 26 - Prob. 14OQCh. 26 - Prob. 1CQCh. 26 - Prob. 2CQCh. 26 - Prob. 3CQCh. 26 - Explain why a dielectric increases the maximum...Ch. 26 - Prob. 5CQCh. 26 - Prob. 6CQCh. 26 - Prob. 7CQCh. 26 - Prob. 8CQCh. 26 - (a) When a battery is connected to the plates of a...Ch. 26 - Two conductors having net charges of +10.0 C and...Ch. 26 - Prob. 3PCh. 26 - An air-filled parallel-plate capacitor has plates...Ch. 26 - Prob. 5PCh. 26 - Prob. 6PCh. 26 - When a potential difference of 150 V is applied to...Ch. 26 - Prob. 8PCh. 26 - Prob. 9PCh. 26 - Prob. 10PCh. 26 - Prob. 11PCh. 26 - Review. A small object of mass m carries a charge...Ch. 26 - Prob. 13PCh. 26 - Prob. 14PCh. 26 - Find the equivalent capacitance of a 4.20-F...Ch. 26 - Given a 2.50-F capacitor, a 6.25-F capacitor, and...Ch. 26 - Prob. 17PCh. 26 - Prob. 18PCh. 26 - Prob. 19PCh. 26 - Prob. 20PCh. 26 - A group of identical capacitors is connected first...Ch. 26 - Prob. 22PCh. 26 - Four capacitors are connected as shown in Figure...Ch. 26 - Prob. 24PCh. 26 - Prob. 25PCh. 26 - Prob. 26PCh. 26 - Two capacitors give an equivalent capacitance of...Ch. 26 - Prob. 28PCh. 26 - Prob. 29PCh. 26 - Prob. 30PCh. 26 - Prob. 31PCh. 26 - A 3.00-F capacitor is connected to a 12.0-V...Ch. 26 - Prob. 33PCh. 26 - Prob. 34PCh. 26 - Prob. 35PCh. 26 - Two identical parallel-plate capacitors, each with...Ch. 26 - Two capacitors, C1 = 25.0 F and C2 = 5.00 F, are...Ch. 26 - A parallel-plate capacitor has a charge Q and...Ch. 26 - Prob. 39PCh. 26 - Prob. 40PCh. 26 - Prob. 41PCh. 26 - Prob. 42PCh. 26 - Prob. 43PCh. 26 - Prob. 44PCh. 26 - Determine (a) the capacitance and (b) the maximum...Ch. 26 - Prob. 46PCh. 26 - Prob. 47PCh. 26 - Prob. 48PCh. 26 - Prob. 49PCh. 26 - Prob. 50PCh. 26 - An infinite line of positive charge lies along the...Ch. 26 - Prob. 52PCh. 26 - Prob. 53PCh. 26 - Prob. 54APCh. 26 - Prob. 55APCh. 26 - Prob. 56APCh. 26 - A uniform electric field E = 3 000 V/m exists...Ch. 26 - Prob. 58APCh. 26 - Prob. 59APCh. 26 - Why is the following situation impossible? A...Ch. 26 - Prob. 61APCh. 26 - A parallel-plate capacitor with vacuum between its...Ch. 26 - Prob. 63APCh. 26 - Prob. 64APCh. 26 - Prob. 65APCh. 26 - (a) Two spheres have radii a and b, and their...Ch. 26 - Prob. 67APCh. 26 - A parallel-plate capacitor of plate separation d...Ch. 26 - Prob. 69APCh. 26 - Prob. 70APCh. 26 - To repair a power supply for a stereo amplifier,...Ch. 26 - Prob. 72CPCh. 26 - Prob. 73CPCh. 26 - Consider two long, parallel, and oppositely...Ch. 26 - Prob. 75CPCh. 26 - Prob. 76CPCh. 26 - Prob. 77CPCh. 26 - Prob. 78CP
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- A parallel-plate capacitor is connected to a battery. What happens to the stored energy if the plate separation is doubled while the capacitor remains connected to the battery? (a) It remains the same. (b) It is doubled. (c) It decreases by a factor of 2. (d) It decreases by a factor of 4. (e) It increases by a factor of 4.arrow_forward(i) Rank the following five capacitors from greatest to smallest capacitance, noting any cases of equality, (a) a 20-F capacitor with a 4-V potential difference between its plates (b) a 30-F capacitor with charges of magnitude 90 C on each plate (c) a capacitor with charges of magnitude 80 C on its plates, differing by 2 V in potential. (d) a 10-F capacitor storing energy 125 J (e) a capacitor storing energy 250 J with a 10-V potential difference (ii) Rank the same capacitors in part (i) from largest to smallest according to the potential difference between the plates, (iii) Rank the capacitors in part (i) in the order of the magnitudes of the charges on their plates, (iv) Rank the capacitors in part (i) in the order of the energy they store.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
- When a Leyden jar is charged by a hand generator (Fig. 27.1, page 828), the work done by the person turning the crank is stored as electric potential energy in the jar. When a capacitor is charged by a battery, where does the electric potential energy come from?arrow_forwardA variable air capacitor used in a radio tuning circuit is made of N semicircular plates, each of radius R and positioned a distance d from its neighbors, to which it is electrically connected. As shown in Figure P20.38, a second identical set of plates is enmeshed with the first set. Each plate in the second set is halfway between two plates of the first set. The second set can rotate as a unit. Determine the capacitance as a function of the angle of rotation , where = 0 corresponds to the maximum capacitance. Figure P20.38arrow_forwardA 1.00-F capacitor is charged by being connected across a 10.0-V battery. It is then disconnected from the battery and connected across an uncharged 2.00-F capacitor. Determine the resulting charge on each capacitor.arrow_forward
- According to UE=12C(V)2 (Eq. 27.3), a greater capacitance means more energy is stored by the capacitor, but according to UE = Q2/2C (Eq. 27.2), a greater capacitance means less energy is stored. How can both of these equations be correct?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_forwardA parallel-plate capacitor is connected to a battery. What happens to the stored energy if the plate separation is doubled while the capacitor remains connected to the battery? (a) It remains the same, (b) It is doubled. (c) It decreases by a factor of 2. (d) It decreases by a factor of 4. (e) It increases by a factor of 4.arrow_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_forwardFor the system of capacitors shown in Figure P16.41, find (a) the equivalent capacitance of the system, (b) the charge on each capacitor, and (c) the potential difference across each capacitor. Figure P16.41 Problems 41 and 60.arrow_forward(a) Find the equivalent capacitance between points a and b for the group of capacitors connected as shown in Figure P16.46 if C1 = 5.00 F, C2 = 10.00 F, and C3 = 2.00 F. (b) If the potential between points a and b is 60.0 V, what charge is stored on C5? Figure P16.46arrow_forward
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