Which of the following is the equivalent equation of the given loop EBCF? Please refer to the diagram below. A E Β www. 1,-1, ΖΩ 6V 3Ω www D F ΤΩ I ΒΩ 9V 1, C
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- In the saturation region (I-V characteristics) of JFET the value of D18 ssmemanmnssnes at specific (VGS = * .negative voltage ) a. b.c.d a: constant O b: zero O c: maximum O d: Bothaandc OEquation1: Q(t)=CVcap(t) Equation 2: Qcharging(t)=CV(1−e^(−t/RC)) 1. Combine equations 1 and 2 to create an equation capable of finding the time-dependent voltage across a charging capacitor. Equation 3: I(t)≡(dQ(t))/(dt) 2. Combine equations 2 and 3 to create an equation capable of finding the time-dependent current across a charging capacitor.The following graph represents the charge-discharge profile of a Li-ion battery in the 1st and 50th cycles, cycled at a rate of 0.1 C (1C = 274 mA h g-1 ) in the voltage range of 3.0 to 4.6 V. The battery is made up of LiCoO2 cathode and Li anode. Answer the following questions. a. What is the value of charge-discharge current density in this case? How long does it take for this battery to discharge from 4.6 V to 3.0 V in 50th cycle? b. Calculate Coulombic efficiency at 1st and 50th cycles. Why are these values different? c. How would this graph look like if LiCoO2 and Li were replaced by MnO2 and graphite electrodes respectively Make a rough sketch. d. Mention any two practical disadvantages of this battery?
- A parallel plate electrode system is separated by a distance of O.6 cm. When a voltage of 11 kV is applied 500 A steady current flows between the electrodes. At constant E field conditions, the distance is reduced to 0.12cm. The new current value is 50 A. Calculate the Townsend ionization coefficient * a =19.1 ionizing collisions / cm a =4.79 ionizing collisions. cm a =4.79 ionizing collisions / cm a =3.8 ionizing collisions. cmCurrent=1A V_ab=-12V V_bc=21V 4d. What is the total rate at which electrical energy is dissipatate in R1, R2, and R3 resistors. 4e. What is the power outpur of the 26V battery? 4f. At what rate is the electrical energt being converted to other forms in the 10V battery? 4g. Show that power output of the 26V battery equals the overall rate of dissipation of electrical energy in the rest of the circuit?Q1 /A piece of metal is its length 5m and its cross-sectional area 0.5 mm^2 and the specific resistance of the metal is 81.6*10^6 Q– m Note that the density of The substance is 8.96 kg/m^3 and the atomic weight 63.54 calculate: 1) Calculate the motion of the electron (H). 2) Calculate the mean free time (7). 3) If you know that the density of electrons along the x-coordinate increases according to the relationship n = 1030 + 8 * 1033x + 15 * 1036 x2 The temperature is 290k, so what is the value of the diffusion current Id at the metal surface x=0 3) If the value of the propagation current is Id at the distance x From the surface of the metal are 91.2*10^10 A/m2 What is the value of x
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- A conducting sphere of radius a = 50 cm is grounded with a resistor R = 15 as shown below. The sphere is exposed to a beam of electrons moving towards the sphere with the constant velocity v = 5 m/s and the concentration of electrons in the beam is n = 3.2×1018 m-³. How much charge per second is received by the sphere (find the current)? Assume that the electrons move fast enough. R 。mer The current, I = 8.04096 X Units A Find the maximum charge on the sphere. The maximum charge, Q Units nC - eBy measuring the currents and times and then draw the current vs time graph using the measurement at the lab for ε =8 V, R=1M Ω and C=4.7μF. When is the capasitor charged fully?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 of