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- Assume that the current flow through the resistor, IR, is 15 A; the current flow through the inductor, IL is 36 A; and the circuit has an apparent power of 10,803 VA. The frequency of the AC voltage is 60 Hz. ET ER EL IT IR15A IL36A Z R XL VA10,803 P VARSL PF LInductive Circuits Fill in all the missing values. Refer to the following formulas: XL=2fLL=XL2ff=XL2L Inductance (H) Frequency (Hz) Inductive Reactance ( ) 1.2 60 0.085 213.628 1000 4712.389 0.65 600 3.6 678.584 25 411.459 0.5 60 0.85 6408.849 20 201.062 0.45 400 4.8 2412.743 1000 40.841A 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?
- 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?A parallel plate capacitor has a plate separation of 1 mm and a capacitance of 1.5 microF. Find the area of the plates. Also calculate the area if there was a dielectric insulator inserted between the plates with a dielectric constant of k = 2.24 A capacitor with air between its plates is connected to a potential difference of 12 V and stores a charge of 51.24 C. If the capacitor is removed from the source in a loaded state and a piece of paper is placed between its plates, what will be the new capacitance of the capacitor? (Paper=3.7) A) 11,1 F B) 3,3 F C) 20 F D) 15,8 F E) 7,2 F
- a) Compute the capacitance of a parallel-plate capacitor with plates 10 cm by 20 cm and separation of 5 mm if the dielectric are (i) an air dielectric, (ii) a ceramic dielectric with permittivity of 7500Establish the general equation H(ω) = Vo/Vi for the ratio between the voltage across the capacitor C and the input voltage source Vi in fig. 2. Assume the frequency of the Vi is ω. Calculate H(0) and H(∞) .1. A parallel plate capacitor has the following characteristics:the dielectric is air, k = 1spacing between plates d = 1.50cmPlate area A = 25cm2potential between plates V = 250V.The capacitor is immersed in distilled water. Assume that the liquid is a dielectric.(a) Determine the load on the plates before and after the dive.(b) Determine the capacitance and the potential difference after immersion.(c) What is the change in energy?
- A cylinder whose radius is 2cm and altitude of 100cm is uniformly wound with 2500 turns of wires in a single layer. A second layer of 100 turns and of much finer wires is wound over the first near its center. Calculate the mutual inductance of the coils.A parallel-plate capacitor whose plates have area of 30 cm2 and 5 mm apart contains a medium with relative permittivity 3. What is the capacitance of the capacitor? Lütfen birini seçin: a. 18.75 pF b. 20.34 nF c. 15.93 p F d. 20.34 pF e. 15.93 nFA capacitor is made with a dielectric layer of mylar film that is 12μm thick. The effective area of the film and conducting plates is 0.1m². K-value for mylar film is 3.1. What is the capacitance rating of the device?