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 dielectricis transformer oil.11. The capacitance of a capacitor with a dielectric of air is1200 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 apartand have an area of 0.08 m², and 200 V are applied acrossthe 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. Findthe new capacitance if:a. The distance between the plates is doubled (everythingelse 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 insertedbetween the plates (everything else remains the same asfor 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 oftheir 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 andthe dielectric is mica. Assume a linear relationship betweenthe 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 canbe applied across the capacitor is 1200 V. Assume a linearrelationship between the breakdown strength and the thick-ness of the dielectric.

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Answered: if the area of each p former oil.

Engineering

Electrical Engineering

if the area of each p former oil.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter19: Capacitors

Section: Chapter Questions

Problem 3PA: You find that a 25-F capacitor connected to 480 VAC is defective. The storeroom has no capacitors...

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