College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:1)Four capacitors are arranged as shown in the diagram.
What is the equivalent Capacitance between points A and B
5 uF
uF 15t
c=(3,75E-6
15 µF
29 -6
= 3,75E -6
5 uF
TuF +15cF
15 pF
-/3.157F
- 20UF
2)A charged capacitor (C = 7.5×10-6F) is discharged in several milliseconds. If the capacitor energy
300 J, what potential difference was used to charge the capacitor?
U =
3) The long thin cylindrical capacitor filled with a mica as the dielectric.
A) Estimate the capacitance of an0=1 cm with radius=.5 cm and a thickness=.01cm.
B) Determine the magnitude of the charge on the inside (negative) and outside (positive) of the
wall if there is a 5-V potential difference across the wall.
C) Determine the energy stored in this capacitor when charged.
4) A flashlight uses a 3v battery. The bulb draws 360 Ma from the battery. What is the operating
resistance of the flashlight?
5) A copper wire 1.0 miles long, with a diameter of 1.00 mm. What is the resistance of the wire?
Expert Solution
Step 1
A cylindrical capacitor consists of a hollow or solid cylinder surrounded by another concentric hollow cylinder. By using Gaus's law we can find the electric field produced by the capacitor.
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