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- How many degrees are the current and voltage out of phase in a pure capacitive circuit?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?Three capacitors having capacitance values of 20F,40F, and 50F are connected in parallel to a 60 - Hz power line. An ammeter indicates a circuit current of 8.6 amperes. How much current is flowing through the 40F 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?In a pure capacitive circuit, does the current lead or lag the voltage?The plates of a parallel-plate capacitor are square and have the length of one side. 20 cm and the distance between the plates is 0.5 cm. The material between the plates is air.What is the capacitance of a parallel plate capacitor in farads?
- For 3-phase unsymmetrical spacing shown in figure (the diameter is 1 cm).: Find the capacitance per phase per km. 9m 12m.i. In a parallel plate capacitor, the cross sectional area of the plates are doubled and all other parameters remains the same. The ratio of Final capacitance to initial capacitance is found to be:Suppose the space between the plates of the capacitor is filled with equal thickness of the same dielectrics but arranged as shown in the figure. Eachhaving an area of 8.0x10 -4 m 2 and separated from each otherby 5.0 mm. Half of the space between the plates is filled withglass and the other with mica. What is its capacitance?
- Find the capacitance if correct will upvote otherwise i will dislike...(6) A parallel-plates capacitor with plate area of 100 cm? has a separation of 3mm between the pates. The separation is divided into three slabs, where each slab has 1 mm distance. The first slab is filled by air and has a constant of 1. The second slab is filled by polystyrene and has a constant of 2.5, while the third slab is filled by silicon dioxide and has a constant of 4. Compute the capacitance of the system. Note: for parallel slabs; Conductor 1 E = T 1 Air E1 83 Material A Material 3 Conductor Ans. C = 54 pFProve that, neutral capacitance is twice of line to line capacitance.