Look at a circuit made up of a resistor, a battery, a capacitor, and a switch. Take the time constant of the circuit to be 3.12 seconds. So if the resistor has a current of 420 mA and a voltage of 12.0 V when the switch is closed, calculate the capacitance of the capacitor.
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- A 15.5 V battery is connected to a 102 Ωresistor.Neglecting the internal resistance of thebattery, calculate the power dissipated in theresistor.Answer in units of W.A parallel plate capacitor of 1.45 10 Farads Connected to a power supply that keeps a 36 V plates a constant potenhal difference of behween the → How Much chage is on each plate? Now, a a of matenial (dielectnie constant 2.75) is placed behreen the piece plales, complekely filling the space in behween them. increase or decrease during he inserhon? How > How Much did he energy much was stored the capacitor before and after? in(a) What is composite? Please write the name of few composites. (b) Calculate the specific capacitance of porous carbon electrode-based su- percapacitor which presents the charge/discharge time of 60 seconds at po- tential window of 1.5V and current of 0.2 mA. (note: the weight of loading materials in electrode was 0.001 g.)
- Webster, Saqlain 1. An 8.0-nF capacitor with an initial charge of 10 mC is discharged through a 5-k2 resistor. (a) Calculate the current in the resistor 2 us after the resistor is connected across the terminals of the capacitor. (b) What charge remains across the capacitor after 6 us? (c) What is the maximum current across the resistor? Boot Barn ummary Order Number: BB05646144 Fulfillme.. 2. Determine that the amount of work required to assemble four identical point charges ofEx. 14 : A potentiometer wire has a length of 4 m and resistance 42. What resistance must be connected in series with the potentionmeter wire and a cell of e.m.f. 2V having internal resistance 20 to get a potential drop of 10 3 V/cm along the wire ?Consider a conducting sphere with a radius as of 1 m. What is the RCS of this sphere at an RFof 10 GHz? Give the answer in units of both square meters and dBsm. (Assume the sphere is“much larger than” the wavelength.) What must be the side length at of a trihedral so that ithas the same RCS at 10 GHz? What is the ratio of the size of the sphere compared with that ofthe trihedral, as/at ?
- The equivalent resistance of a parallel circuit having resistances 10 ohms, and 20 ohms. I already looked at the answer given. But I dont get where they got the fraction 3/20 ohms in the breakdown. This site should break down every problem as much as possible. Dont assume I know how to get to a step that the site is on.rcuite, Cuments, and vontged Learning Goal: To detemine the voltage and currants for eloments in an eloctric circut. An electric dirouit contains circut dements connected togather in by conductors. Some typical elements in eloctric circuits include resistors, capacitors, inductors, and voltage sources. The behavior of cach eiement can be described in tems of the oument passing through the element and the voltage across the element. dge) Elactric cument is the time rate of fow of clectric charge in specified direction. Lat g(t) represent the net charge that has flowed through a surtace in a diraut diement or conductor. The oument is the time rate of change of the nat charge, 1(1) - Positive charge moving in the chosen direction and negative charge moving apposite the chosen direction are both positive ouments. Positive charge moving opposite the chosen direction and negative charge moving in the chosen direction are both nogative cuments. The units of charge are coulombs, C, and the…Find the value of ε (this is the voltage of the source at the bottom of the circuit) sothat the current flowing through the 5volt-battery is indeed 2 Amps, as indicatedin the circuit.then Find how long it takes for 60 Joules of thermal energy to dissipate through the 10-ohm resistor.
- He Calculate then rotenkial diccarence eicross thte torminals battery. Aougathe battery anal extecnnl.circuity acquires 20 doule of ensergy from tha batterye 2.LE the patuntial difference drop across. ofa hsating slament ina siccunt is 1RV when er f the 4 coulomb charge flowing ends. the circuit is 12V whon a to Calculata the Charge of ac. moves threvgh it. enargy that is transfrrrkol by the charges 3.If the potential dipperence across a 1av, what anmount of chaige is raquired to the light light bulbn to transfur 60J of senengy bulb ?Check Your Understanding How would the strategy change to calculate the at a point a distance z above of the finite line segment?What is the steady-state current I, in units of Ampere, (steady-state current= current when you wait very very long time ) through 8V battery if you replace R1 resistor by 7 Ohm, R2 resistor by 19 Ohm, ε emf by 10 V. Your result must contain two decimal places. Maximum of 4% of error is accepted in your answer.