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. A two parallel-plate capacitor charged to 15 kV has a capacitance of 4.5 x 10 uF. If the plates of the capacitor of 200 sq. cm each are separated by a distance of 1 mm. What is the permittivity of the dielectric medium?

. A two parallel-plate capacitor charged to 15 kV has a capacitance of 4.5 x 10 uF. If the plates of the capacitor of 200 sq. cm each are separated by a distance of 1 mm. What is the permittivity of the dielectric medium?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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a. A two parallel-plate capacitor charged to 15 kV has a capacitance of 4.5 x 10 uF. If the plates of the capacitor of 200 sq. cm each are separated by a distance of 1 mm. What is the permittivity of the dielectric medium? а. 2.8 b. 2.65 c. 2.55 d. 2.54 b. Two capacitors C, = 50 µF and C, = 30 µF are connected in series. Find the equivalent capacitance in microfarad. a. 187.5 b. 18.75 c. 1.875 d. 1875 c. Three capacitances are connected in parallel C, = 12 µF, C, = 10 µF and C, = 40 µF. What is the total capacitance? a. 45 µF b. 5 µF c. 10 µF d. 62 µF d. Three capacitances of 4 µF, 6 µF and 5 µF are connected in series across a 110-volt dc source. Find the charge passing through each capacitor. a. 1650 µF b. 69 µF c. 178 µF d. 7.33 µF
Transcribed Image Text:a. A two parallel-plate capacitor charged to 15 kV has a capacitance of 4.5 x 10 uF. If the plates of the capacitor of 200 sq. cm each are separated by a distance of 1 mm. What is the permittivity of the dielectric medium? а. 2.8 b. 2.65 c. 2.55 d. 2.54 b. Two capacitors C, = 50 µF and C, = 30 µF are connected in series. Find the equivalent capacitance in microfarad. a. 187.5 b. 18.75 c. 1.875 d. 1875 c. Three capacitances are connected in parallel C, = 12 µF, C, = 10 µF and C, = 40 µF. What is the total capacitance? a. 45 µF b. 5 µF c. 10 µF d. 62 µF d. Three capacitances of 4 µF, 6 µF and 5 µF are connected in series across a 110-volt dc source. Find the charge passing through each capacitor. a. 1650 µF b. 69 µF c. 178 µF d. 7.33 µF
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