Physics for Scientists and Engineers with Modern, Revised Hybrid (with Enhanced WebAssign Printed Access Card for Physics, Multi-Term Courses)
9th Edition
ISBN: 9781305266292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 26, Problem 70AP
To determine
The authentication of the claim mathematically from example 26.1.
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Students have asked these similar questions
A laboratory capacitor consists of two parallel conducting plates, each
with area of 200 cm² separated by a 0.40-cm air gap.
a. Compute its capacitance
b. If the capacitor is connected across a 500-V source, find the charge
on it, the energy stored in it, and the value of E between the plates
A long cylindrical capacitor.
Q=- AL = -o 2nr, L
E=0
E=0
Q=+ÀL = +o 2ar,L
Figure 1:
1. Two long, coaxial cylindrical conductors are separated by vacuum (Fig. 24.6). The inner cylinder has radius ra and linear charge density
A. The outer cylinder has inner radius r, and linear charge density -A.
(a) The capacitance per unit length for this capacitor.
AL
55.6 x 10-12 F/m
In "h
Q
AL
C =
%3D
(True, False)
Va - Vb
Sra Edr
dr
Σπερ
A In "h
In "h
ra
In
ra
ra
(b) The potential difference V = Va - V is:
V = Va - V =
Edr =
dr 3=
In
2TEO
(True, False)
2neor
ra
(c) If (b) is true then A = 2*En(Va-Vh) and therefore Vr - Va = S"a Edr = A- In "a =
Va – V,
In a
In
ra
In
ra
(d) The potential Va relative to infinity is
Va - Vo = |
= Va - V,
Edr =
Edr +
E dr =
dr =
In
2neor
ra
- In ra
it follows that if the potential at infinity is set to zero then V, = 0 and hence Va = V and therefore if (c) is true V, = V+
In
ra
(True, False)
(e) If the potential at infinity is set to zero then the potential V, = V + ,…
Ex. 67: Three capacitors have capacitance 2 uF,
4 µF and 8 µF. Find the equivalent capacity
when they are connected in (1) series and
(2) Parallel.
Chapter 26 Solutions
Physics for Scientists and Engineers with Modern, Revised Hybrid (with Enhanced WebAssign Printed Access Card for Physics, Multi-Term Courses)
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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