English, 29.07.2019 16:10, babsst7480

If charge is then drawn off the plates of this capacitor at a rate of 0.90 mc/s , say, to power the backup memory of some electrical gadget, how long (in days) will it take for the potential difference across this capacitor to drop to 9.0 v ?

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Physics, 27.06.2019 02:20, bikerhomie

1) consider the capacitors pictured in figure 2. assume that a 10 v power supply is connect to the top and bottom wires of the component, and all the capacitors are charged .a. assume that all of the capacitors are parallel plate capacitors. the size of the plates in each capacitor varies, but the space between the plates is the same. which capacitor (or capacitors) will have the strongest electric field between its plates? explain. b. if the 0.75 µf capacitor were removed from the circuit, what would happen to the charge on each of the other capacitors? (for each capacitor, determine if the charge would increase, decrease, or stay the same). c. if the 0.75 µf capacitor were removed from the circuit and replaced by a single wire, what would happen to the charge on each of the other capacitors? (for each capacitor, determine if the charge would increase, decrease, or stay the same). .d. if the 1.5 µf capacitor were removed from the circuit, what would happen to the charge on each of the other capacitors? (for each capacitor, determine if the charge would increase, decrease, or stay the same). e. if the 1.5 µf capacitor were removed from the circuit and replaced by a single wire, what would happen to the charge on each of the other capacitors? (for each capacitor, determine if the charge would increase, decrease, or stay the same). f. if the 3.5 µf capacitor were removed from the circuit, what would happen to the charge on each of the other capacitors? (for each capacitor, determine if the charge would increase, decrease, or stay the same). g. if the 3.5 µf capacitor were removed from the circuit and replaced by a single wire, what would happen to the charge on each of the other capacitors? (for each capacitor, determine if the charge would increase, decrease, or stay the same)

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Physics, 26.07.2019 23:30, matthewt894

Aparallel-plate, air-gap capacitor has a capacitance of 0.14 mu f. the plates are 0.5 mm apart, what is the area of each plate? what is the potential difference between the plates if the capacitor is charged to 1.2 mu c? what is the stored energy? how much charge can the capacitor carry before a spark occurs between the two plates (thus discharging the capacitor)?

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Physics, 27.07.2019 01:20, lindseyklewis1p56uvi

Aparallel plate capacitor is created by placing two large square conducting plates of length and width 0.1m facing each other, separated by a 1 cm gap with vaccum between the plates. we connect the capacitor to power supply, charge it to a potential difference vo 5 kv, and disconnect the power supply. we then insert a sheet of insulating plastic material between the plates, completely filling the space between them. we find that the potential difference decreases to 1 kv while the charge on each capacitor plate remains constant. find the original capacitance co. 885pf 17.7pf 8.85pf 1.77pf

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Physics, 19.10.2019 00:10, cpulls189

Which of the following statements about the discharging of a capacitor through a lightbulb are correct? a) electrons in the wires flow away from the negative plate, toward the positive plate, reducing the charge on the plates. b) the electric field at a location inside the wire is due to charge on the surface of the wires and charge on the plates of the capacitor. c) electrons flow across the gap between the plates of the capacitor, thus reducing the charge on the capacitor. d) the fringe field of the capacitor decreases as the charge on the capacitor plates decreases.

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If charge is then drawn off the plates of this capacitor at a rate of 0.90 mc/s , say, to power the...

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