1.9µE capositor ared a 6.0µE capositor are connected in parallel across a 240V potential difference. Calculate the total energy in Joules stored in the capasitors
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A 1.9µE capositor ared a 6.0µE capositor are connected in parallel across a 240V potential difference. Calculate the total energy in Joules stored in the capasitors
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- 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? inQ Note: Only Plot the VI graph Verify Ohm’s Law using resistor of 1.5k Ohms on NI Multisim if the supplied voltages are:2V, 7V ,10V and 15V.Also plot the VI graph(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.)
- A 10-volt potential difference is applied across a 4-m copper wire. Determine the rate of conversion of electrical energy to thermal energy, in megawatts, if the conductor has a diameter of 0.04 mm. For copper, there are 8.5 x 1028 electrons per unit volume and the mean time per collision is approximately 2.6 x 10-14 s. Express your answers accurate to four decimal places, whenever applicable. No need to put the unit of measurement in the final answer.Calculate the conduction velocity if the electrodes are 12cm and there are 0.3sec between the time of stimulation and the peak of the CAP.A Capacitor Cs three equal rests tors Rand a Suitch S as Connected to a batteay Vo through shown. below: R. Vo The Capacitar is initial unchaYged . At time t=0, the suitch s is closed The the is 9 veittage function 4time t across Capaitor as a for t>o
- Conduc-Thor-s. Thor has two square prism conductors that are made of the same ohmic material and with properties indicated below. Conductor Length | Cross-Section Side Length Alpha L Beta L/2 s/4 Suppose both conductors are subject to the same potential difference AV across their length while keeping their temperatures fixed. Which of the following is the correct relation between the electric currents, Ia and IB, through Alpha and Beta? O A. Ia = 8IB O B. 8Ia = Ig O. Ia = 4I8 O D. 4Ig = Ig Clear my choiceThe fllowing Creuit diagram reprerents arevit diagram that is connected to potential diffrence of 12 v es refresents a Se t of cafmcitors where battery let (ar 9. applied across points A and AProblem 5: Two conducting cones are as shown below. The radius of each cone is a. The upper cone is held at a potential Vo and the lower cone at a potential -Vo. The potential in the surrounding region is given by Vo Inſtan(@/2)] 2 Inſtan(a/2)] V() Let the conductivity in the surrounding region be a. Obtain the resistance of this configuration.
- There is a sphere-sphere electrode system in the insulation medium of air (E=30 kV/cm), in which radii of the spheres are r1. After, by changing radii of the spheres to r2, a new sphere-sphere electrode system, in the same insulation medium, is made. The graphs of breakdown voltage by changing electrode separation for both electrode systems are shown. The correction factor is 90%. Find the ratio of r2 to r̟. Spherical Spherical electrode electrode 200 180 160 140 120 100 with radius rl with radius r2 80 60 40 20 2 4 9 10 11 12 13 14 15 16 17 18 19 20 d (cm) Breakdown Voltage (kV)considera GET with an oxide capacitance of 3.45*10^-7 F/cm^2.gate dimension W=8 um and L=0.5um .Calculate the gate-source and gate-drain contribution to the total gate capacitanceThe space between two conducting concentric spheres ofradii a and b (a < b) is filled up with homogeneous poorly conductingmedium. The capacitance of such a system equals C. Find the resistivity of the medium if the potential difference between the spheres,when they are disconnected from an external voltage, decreasesn-fold during the time interval Δt.