The voltage & charge relation for a capacitor is given by V = 1+q+q². The amount of energy required to charge this capacitor from q(0) = 1C to q(t) = 3C is
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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?4. In what form is the energy of a capacitor stored?A 20-ohm resistor and a capacitor are connected in series with a battery of 60 volts. At t = 0, there is no charge on the capacitor. Find the capacitance if the current at t = 5 seconds is 3/e^s amperes. Ans. 0.05 Farads
- 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.1) First part of the question: Two identical capacitors are connected in parallel and charged with a 20-V power supply as shown in the figure on the left. After the charges on the capacitors have reached their final values, the charge on each capacitor is 10 µC. Then the power supply is disconnected and a dielectric with K = 4 is inserted to fill the space between the plates of one of the capacitors. a) Find now the charge on the capacitor with dielectric. Give your answer in microcoulombs. Qo = 10 µC Qo = 10 µC| Q2 =? ► V = 20 V Batterya) 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
- What do you think will happen to the current if the frequency is adjusted higher in the pure inductance experiment? and what will happen to the current if the frequency is adjusted lower in pure inductance experiment? explain why pleaseA 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.a) The voltage across a 10 capacitance is ve = 150 sin( ......) volts and. Frequency equal to 50 Hz. Determine the current through the capacitor i and sketch its waveform. b) Define the term frequency
- 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…When the capacitor is charged current flows on either side of the capacitor. Do electrons cross the gap to allow the current on the other side of the circuit?(b) Is charging and discharging time of capacitor equal in a theoretical RC circuit?Plase explain your answer by using relating formula.When we talk about capacitance of capacitor we normally say that capacitance depends on the size, shape, and position of the two capacitors and dielectric constant K. What then did we mean when we say that capacitance is constant in the equation Q = CV?