1. A capacitor is storing 200 mC of charge when the difference of potential across its plates is 25 V. Calculate the value of the component.
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Q: Problem 18. A capacitor is charged with 10 mC. If the energy stored is 1.2 J find (a) the voltage…
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Q: 11. A capacitor of 8 µF is to be charged by a voltage of 400 V through a resistor of 100 kohms. How…
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Q: Practice: If a voltage of: 15.1 v = 6 cos(100t-30°) %3D Is applied to a 50 µF capacitor, calculate…
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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 LA 47kF capacitor is subjected to an electric charge of 6 Coulomb. Compute for the plate separation if the area of the plate is 4 square meters.* Determine the charge stored on a 2.2 µF capacitor if the capacitor’s voltage is 5 V. *In some integrated circuits, the insulator or dielectric is silicon dioxide, which has a relative permittivity of 4. If a square capacitor measuring 10 µm on edge, has a capacitance of 100 fF, what is the separation distance between the capacitor’s plates, in µm?
- Given this network of capacitors: Assuming the dielectric of each capacitor is air and the network is connected to Vab = 30V supply, calculate thefollowing:a. The equivalent capacitance between a and b. b. The charge on each capacitor. c. The potential difference on each capacitor d. Energy stored on each capacitorGiven this network of capacitors:Assuming the dielectric of each capacitor is air and the network is connected to Vab = 30V supply, calculate thefollowing:a. The equivalent capacitance between a and b. b. The charge on each capacitor. c. The potential difference on each capacitor d. Energy stored on each capacitor3. A ceramic capacitor has an effective plate area of 5cm2 separated by 0.1mm of ceramic of relative permittivity of 100. Calculate the capacitance in microfarads. If the capacitor is given a charge of 1.5 µC what will be the potential difference (pd) between plates? & calculate the energy stored in it
- The distance between the plates of a capacitor, which consists of a square plate with a side length of 3 cm, is 2mm. The dielectric coefficient of the insulator is 2. If the maximum electric field that the air can withstand is 2.10 ⁶ V / m, find the maximum load the capacitor can carry.6 A capacitor is constructed with parallel metal plates, If the plate separation is 2 mm and the capacitance is given to 1 nano Farads, determine the area of the parallel plates of the device. Select one: a. 0.12 square meters b. 0.23 square meters c. 0.27 square meters d. 0.20 square metersA two-plate, 1.33-nF capacitor measuring 50 cm square each is separated by two insulations, 3mm and 4mm thick placed side by side. Calculate its relative permittivity.
- Calculate the energy stored in a parallel-plate capacitor which consists of two metal plates, each 60cm2 separated by a dielectric 1.5mm thick and of relative permittivity 3.5 if a p.d. of 1000 v is applied across it.A large capacitance of 1.58 mF is needed for a certain application. (a) Calculate the area the parallel plates of such a capacitor must have if they are separated by 4.19 µm of Teflon, which has a dielectric constant of 2.1. (b) What is the maximum voltage that can be applied if the dielectric strength for Teflon is 60 ✕ 106 V/m (c) Find the maximum charge that can be stored. (d) Calculate the volume of Teflon alone in the capacitor. (units: m^3)Determine, in polar and rectangular forms, the current flowing in an inductor of negligible resistance and inductance 159.2 mH when it is connected to a 250V, 50 Hz supply.