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2)A charged capacitor (C = 7.5×10-6F) is discharged in several milliseconds. If the capacitor energy U = 300 J, what potential difference was used to charge the capacitor?

2)A charged capacitor (C = 7.5×10-6F) is discharged in several milliseconds. If the capacitor energy U = 300 J, what potential difference was used to charge the capacitor?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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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?
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?
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