Question 1 C= 2nF C= 3nF C,= 6nF C,= 4nF C- SnF V= 24V C= 2nF C= 2nF Using the given circuit, calculate: 1) Equivalent capacitance
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- 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?Please derive this equation for capacitance at flat band:a) The voltage across a 20uF capacitance is v. = 50 sin( at - 80) volts and Frequency equal to 100 Hz. Determine the current through the capacitor i and sketch its waveform. b) Define phasor
- For a given RC charging circuit with R 82KOhms, C 150UF and Vs 18 V, i. Calculate the capacitor charging voltage at t- ii. Specify the charging current at 2T where T= RC. iii. Explain the effect in the charging period if the value of R is doubled with the capacitance value of C kept constant. Prove your answer by computing the resulting full-charge periods when R is 82KOhms and when R is doubled with C kept constant. %3D (1 mark) (1 mark) 3D3T. (2 marks)(iii). Determine the net capacitance C of the capacitor network shown in figure. Assume C-3 pF, C2 5 pF, C 6 pF and C 9 pl. Determine the charge on each capacitor, assun there is a potential difference of 15 V across cach network. C2 C, C3Calculate capacitance Cand voltage U over resistance. What is the peak value of resistance's voltage? Voltage source e(t) = ésin(wt + 45°). Resistance R-50, circuit's total reactance X-50, inductance L =50mH, ê -40V and frequency f =50Hz. R L Give the answers to one decimal place. Do not write numbers in the complex number form! Absolute value of voltage source (RMS value): V Total impedance of circuit (absolute value): Capacitance: μF Absolute value of current (RMS value) supplied by voltage source: Phase angle of current: degrees Peak value of resistances voltage: 22 A
- Fill in the blanksadd, capacitance, charge capacity, dielectric, dissipate, electrical circuits, , passive, plates,proximity, storesA capacitor is a 1 …………. two-terminal electrical component that 2 ……… potential energy in anelectric field. The effect of a capacitor is known as 3. …………... While some capacitance exists betweenany two electrical conductors in 4. …………… in a circuit, a capacitor is a component designed to 5.…… capacitance to a circuit. The capacitor was originally known as a condenser.The physical form and construction of practical capacitors vary widely and many capacitor types are incommon use. Most capacitors contain at least two electrical conductors often in the form of metallic 6.………… or surfaces separated by a 7. ………medium. A conductor may be a foil, thin film, or anelectrolyte. The nonconducting dielectric acts to increase the capacitor's 8. ………… ………. Materialscommonly used as dielectrics include glass, ceramic, plastic film, paper, mica, and oxide…A variable capacitance and a resistance of 290 2 are connected in series across a 110-V; 60-Hz supply. Draw the complex or locus of impedance and current as the capacitance changes from 6uF to 32 µF. From the diagram, find (a) the capacitance to give a current of 0.6 A and (b) the current when the capacitance is 11 µF.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.
- For the network shown in Figure (Q5), Find: 1. The total equivalent inductance (Lequiv.). 2. If the current waveform shown in Figure (6) is applied to the (Leguiv). Determine an expression for the voltage across it. 6H 10 H 9H 4H SH 3 H 20 H 13H Lequiv. Figure (Q5) i (A) - (ms) 10 12 -5- Figure (6)Find the total capacitance. Show complete solution and include the figures used to generate equations.how do i calculate the inverse capacitance and its uncertainty if the capacitance value 1.8748+/- 0.0006. please show steps im using this example to do my other values.