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if the area of each p former oil.

if the area of each p former oil.

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
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Find the distance in mils between the plates of a 2 µF ca- pacitor if the area of each plate is 0.15 m² and the dielectric is transformer oil. 11. The capacitance of a capacitor with a dielectric of air is 1200 pF. When a dielectric is inserted between the plates, the capacitance increases to 6 nF. Of what material is the di- 10. electric made? 12. The plates of a parallel plate air capacitor are 0.2 mm apart and have an area of 0.08 m², and 200 V are applied across the plates. a. Determine the capacitance. b. Find the electric field intensity between the plates. c. Find the charge on each plate if the dielectric is air. 13. A sheet of Bakelite 0.2 mm thick having an area of 0.08 m? is inserted between the plates of Problem 12. a. Find the electric field strength between the plates. b. Determine the charge on each plate. c. Determine the capacitance. 14. A parallel plate air capacitor has a capacitance of 5 µF. Find the new capacitance if: a. The distance between the plates is doubled (everything else remains the same). b. The area of the plates is doubled (everything else re- mains the same as for the 5 µF level). c. A dielectric with a relative permittivity of 20 is inserted between the plates (everything else remains the same as for the 5 µF level). d. A dielectric is inserted with a relative permittivity of 4, and the area is reduced to 1/3 and the distance to 1/4 of their original dimensions. *15. Find the maximum voltage that can be applied across a paral- lel plate capacitor of 6 nF if the area of one plate is 0.02 m² and the dielectric is mica. Assume a linear relationship between the dielectric strength and the thickness of the dielectric. *16. Find the distance in micrometers between the plates of a par- allel plate mica capacitor if the maximum voltage that can be applied across the capacitor is 1200 V. Assume a linear relationship between the breakdown strength and the thick- ness of the dielectric.
Transcribed Image Text:Find the distance in mils between the plates of a 2 µF ca- pacitor if the area of each plate is 0.15 m² and the dielectric is transformer oil. 11. The capacitance of a capacitor with a dielectric of air is 1200 pF. When a dielectric is inserted between the plates, the capacitance increases to 6 nF. Of what material is the di- 10. electric made? 12. The plates of a parallel plate air capacitor are 0.2 mm apart and have an area of 0.08 m², and 200 V are applied across the plates. a. Determine the capacitance. b. Find the electric field intensity between the plates. c. Find the charge on each plate if the dielectric is air. 13. A sheet of Bakelite 0.2 mm thick having an area of 0.08 m? is inserted between the plates of Problem 12. a. Find the electric field strength between the plates. b. Determine the charge on each plate. c. Determine the capacitance. 14. A parallel plate air capacitor has a capacitance of 5 µF. Find the new capacitance if: a. The distance between the plates is doubled (everything else remains the same). b. The area of the plates is doubled (everything else re- mains the same as for the 5 µF level). c. A dielectric with a relative permittivity of 20 is inserted between the plates (everything else remains the same as for the 5 µF level). d. A dielectric is inserted with a relative permittivity of 4, and the area is reduced to 1/3 and the distance to 1/4 of their original dimensions. *15. Find the maximum voltage that can be applied across a paral- lel plate capacitor of 6 nF if the area of one plate is 0.02 m² and the dielectric is mica. Assume a linear relationship between the dielectric strength and the thickness of the dielectric. *16. Find the distance in micrometers between the plates of a par- allel plate mica capacitor if the maximum voltage that can be applied across the capacitor is 1200 V. Assume a linear relationship between the breakdown strength and the thick- ness of the dielectric.
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