From the given capacitors, Find the total capacitance, total charge and the voltage drop. Note: In solving this problem, use the two principles 1.series and 2. Parallel capacitors. E 2µF 3.9µF a 7µF 3µF
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Q: C = 2 µF C2 = 2 µF C3 = 2 µF %3D V = 100 V %3D C4 = 2 µF %3D C5 = 2 µF C6 = 2 µF
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- A capacitor uses air as a dielectric and has a capacitance of 3 F. A dielectric material is inserted between the plates without changing the spacing, and the capacitance becomes 15 F. What is the dielectric constant of this material?4. In what form is the energy of a capacitor stored?You are working in an industrial plant. You have been instructed to double the capacitance connected to a machine. The markings on the capacitor, however, are not visible. The capacitor is connected to 560 volts and an ammeter indicates a current of 6 amperes flowing to the capacitor. What size capacitor should be connected in parallel with the existing capacitor? What is the minimum AC voltage rating of the new capacitor? What is the minimum DC voltage rating of the new capacitor? What is the minimum KVAR size that can be used in this installation?
- You find that a 25-F capacitor connected to 480 VAC is defective. The storeroom has no capacitors with a 480-VAC rating. However, you find two capacitors rated at 50 F and 370 VAC. Can these two capacitors be connected in such a manner that they can replace the defective capacitor? If yes, explain how they are connected and why the capacitors will not be damaged by the lower voltage rating. If no, explain why they cannot be used without damaging the capacitor.You are an electrician working in an industrial plant. You discover that the problem with a certain machine is a defective capacitor. The capacitor is connected to a 240-volt AC circuit. The information on the capacitor reveals that it has a capacitance value of 10 mF and a voltage rating of 240 VAC. The only 10-mF AC capacitor in the storeroom is marked with a voltage rating of 350 WVDC. Can this capacitor be used to replace the defective capacitor? Explain your answer.In reference to the load, how are capacitors connected to help prevent voltage spikes and surges? Are capacitors connected in parallel or in series with the load?
- A postage stamp mica capacitor has the following color marks starting at the upper left dot: yellow, violet, brown, green, no color, and blue. What are the capacitance value, tolerance, and voltage rating of this capacitor?A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating of 600 WVDC. The capacitor and resistor are connected to a 480-V, 60-Hz circuit. Is the voltage rating of the capacitor sufficient for this connection?Can current flow through a capacitor?
- Refer to the diagram below. Compute the total capacitance, voltage and charge across each capacitor given that the total voltage is 120V. Please help, I've been getting ridiculously long decimal values and I don't know what to do.Find the equivalent capacitance with respect to the terminals a,b Determine the the initial voltage drop for the equivalent capacitance with respect to the terminals a, bFind the equivalent capacitance with respect to the terminals a, b Determine the the initial voltage drop for the equivalent capacitance with respect to the terminals a, b