b) For the circuit as shown in figure 2, calculate the equivalent capacitance between a an 25 μF 25 µF 10 μF 30 μ Ε 20 uF 60 μF 15 μF 45 μF
Q: 1 pF 3 uF 100 V Ο Α) 25 μC Ο Β) 20 μC O0 100 μC O D) 10 μC E) 50 u
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- 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.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?
- 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?Capacitive Circuits Fill in all the missing values. Refer to the formulas that follow. XC=12fCC=12fXCf=12CXc Capacitance XC Frequency 38 F 60 Hz 78.8 400 Hz 250 pF 4.5 k 234 F 10 kHZ 240 50 Hz 10 F 36.8 560 nF 2 MHz 15 k 60 Hz 75 nF 560 470 pF 200 kHz 6.8 k 400 Hz 34 F 450Incandescent lighting of 500 W is connected in parallel with an inductive load. A clamp-on ammeter reveals a total circuit current of 7 A. What is the inductance of the load connected in parallel with the incandescent lights? Assume a voltage of 120 V and a frequency of 60 Hz.
- Two 10 uF capacitors have been connected in parallel across a 230 V 50 Hz AC supply. The current drawn from the supply will be approximately: Select one: a. 1.44 A b. 0.36 A c. 11.5 A O d. 23.0 ACalculate the equivalent capacitance of the network in Figure Q1(c). 16F 12F 4F 20F 12F 30F 10F Figure Q1(c)A 100uf capacitor and a3.6kohm are connected in series. How long will it take for the capacitor to change its charge completely?
- Through a capacitor of capacitance 15 micro-farad with a frequency of 50 hz. Compute its reactance 212 ohms O 4,712 ohms O 0.0047 ohm O 0.0002 ohmQno.3 If the equivalent capacitance between a and b is 10„F for the combination of capacitors shown in Figure 2. Calculate the value of capacitance "x" All capaci- tances shown in figure are in pico farads. 4.0 10.0 X 2.0 Figure 2(VD₂ = Determine the voltage across each capacitor in the circuit figure below. 0.68 V, VD₂ 0.56 V) = 240 V rms 50 Hz 1:1 ooooo elele C₁ H 1μF D₁ HE D₂ .C₂ 1 μF