Using the nominal value of C = 20µF , find Xc = 1/(27FC)= %3D %3D
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- 1.Enumerate five formulas for four series connected capacitances across Vt source and draw the circuit. 1. Enumerate five formulas for four parallel connected capacitances across Vt source and draw the circuit.1. Enumerate five formulas for series-parallel capacitances across Vt source and draw the circuit. 2. Enumerate five formulas for parallel-series capacitances across Vt source and draw the circuit.Which of the following is true about all series ac circuits?(a) The voltage across any circuit element is a maximumwhen the current is a maximum in that circuit element.(b) The current at any point in the circuit is always thesame as the current at any other point in the circuit.(c) The current in the circuit is a maximum when thesource ac voltage is a maximum.(d) Resistors, capacitors, and inductors can all change thephase of the current.
- Find r and Draw the impedence phasor diagram. Is this circuit netinductive, net capacitive, or resistive?Find the current I, and each individual voltage (VR, VI, Vc).Draw a phasor diagram. Include the quantities calculated in part (b) aswell as the source voltage Vs.For a series RLC circuit with a sinusoidal input voltage, the amplitude of the current passing through the circuit (I, in mA) is plotted as a function of frequency for two cases: Curve 1 with R1, L1. and Curve 2 with R2. L2 as shown in the next figure. The value of the capacitor used in the circuits is C=0.01 micro Farads. If the value of R2 =1600 Ohm then the input voltage (in volts) is: 7.5 25 110 Frequency H2 O a. 4 O b. 16 sin(9888 t) O c. 8 O d. 8 cos(6.28 f t) O e. 8 sin (6.28 R t)Calculate the mathematical expression of the signal on the oscilloscope screen given in the figure. The position of the GND line is marked on the screenshot. Volts / Div = 4 V and Time / Div = 6.5ms. wwww www www w b
- In a series circuit with the following devices to a 230volts 60Hz supply with a resistor in the range of 300 ohms and 990 ohms. What are the steps in calculating the impedance ...Exeras: 1. Be rebistance of a sm length of oire is cön sr. Detia) the resitance of an8m longth of the same wire, b) the ength of the seme wine when the res tfonce is 4W s. 2. A Piece f re of crss-cfisndd area 2 muy go0 sr. Finid the rebutance of a wie of the some length and maferial if the crss secfional area s SMm. b). the crosss so area of the wire of the some length ond maeriol of resisfance soD2 3. A oril cons o turns of oopperwirehaving a cm-seton area of 0.8 mmn, The maan Lengtb perfurn is s0 čm anithe nosiãfivity of Cu s 0.02 um. Finh the resistonca of the coil ond pwer absorbed 4. An aluminum wire 7.5m. Lang is consacfed parallel writha copper 201ire de m larg. uhen a curent of rdix passd throngh the Cmibination, iř in fannl tht the curent the aluminung wire ik 3Aup The diamefer of the alumsinum wire is 1,0 mm. Defermane the diamefer of the copper wire. has rebi tance of by the cril when camecfed acm8 110V&c supply?A resistor & a capacitor are connected in series across 230V, ac supply. The current taken by the circuit is 4 A for 50 Hz frequency. The current is reduced to 2 A, when the frequency of supply is decreased to 40 Hz. Determine the value of resistor & the capacitor.
- Q2. For the circuit shown in figure (a), let the frequency is 1KHZ, and V1 = 20Vms, draw the following: 100uF C2 V1 1000UF R1 VSINE 2K A. Impedance diagram B. Voltages phasor diagram. C. Measure the voltage across R1, Vin, and the capacitors, C1, C2 us ng the oscillscope using PROTEUS software. D. Measure the current in the circuit using DMM E. From the above measurments verify your result.2, Zs Z7 Solve for: Solve for: h.) S5 i.) P6 j.) Q7 Given: E = 1002 – 90 volts Z4 = 42450 Z1 = 1200 Z5 = 5453.13N Z2 = 2436.87N Z6 = 62 – 90N Z3 = 32 - 30N Z, = 72750Calculate the difference A B if A=10236.87 and B=10453.13°. Show your solution graphically.