Question 2: From the following graph, calculate the approximate values of RC time constant when (a) the capacitor is charging and (b) discharging. 100% 90% 80%
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- Context: Source of EMF and RC Circuits How do you derive Equation 4 from Equations 1 and 3? Equation 1 is Current, I= emf/(R+r) and Equation 3 is power, P= IV= I^2R . Equation 4 is Making use of Eq. (1) in Eq. (3), one can show that power, P, supplied by the battery to the resistive load, R, can be written as: P=emf^2(R/(R+r)^25. A RC-circuit is composed of a resistor and capacitor linked to a battery. Derive the expression for the charging and discharging of a capacitor. Then, determine their respective currents for both charging and discharging. Plot the differences for cach scenario. What are the long term and short term behaviors?Three RC circuits are constructed using identical batteries and switches, but different arrangements of identical resistors and identical capacitors are used, as shown. The switch is initially open, and the capacitors are initially uncharged. If T represents the time required from the closing of the switch for an RC circuit to become 90% charged, then rank the charging times for the three circuits. Tcenter > Tright > Tleft Tright > Tleft > Tcenter Tleft > Tcenter = Tright Tleft = Tcenter = Tright Tcenter > Tleft > Tright
- Resistor and RC Circuits Problem 10: A circuit made up of 6 resistors is shown in the figure, with resistances R1 = 14 Ω, R2 = 45 Ω, R3 = 48 Ω, R4 = 55 Ω, R5 = 91 Ω, and R6 = 26 Ω. The total current going through the circuit is I = 7.5 A. Part (d) Calculate the numerical value of the equivalent resistance R in Ω. Part (f) Calculate the numerical value of ΔV in V.If you wish to take a picture of a bullet travelling at v, then a very brief flash of light produced by an RC discharge through a flash tube can limit blurring. Assume a distance d of motion during one RC constant is the most the bullet can move without blurring and that the flash tube is driven by a capacitor of capacitance C. What is the maximum possible resistance of the flash tube if it can take unblurred photos of the bullet? O Cv/d O Cd/v d/Cv O dv/C O CvdAssume that you have a voltage source of 31 V and three resistors: Resistor A is 9.5 Ω, Resistor B is 4.1 Ω, and Resistor C is 4.1 Ω. Part (a) Assuming that the three resistors are connected in series, what is the voltage drop Resistor B? VB = V Part (b) Assuming that the three resistors are connected in series, what is the voltage drop Resistor C? VC = V
- Please AsapImagine that we had a RC circuit with a 19.2 kilo-ohm resistor connected in parallel with a 16 kilo-ohm resistor and they were connected to two capacitors (404.2 uF, 350.1 uF) that are in series. What is the time constant of this circuit?HINT: You will probably want to start this problem by calculating the effective capacitance of the circuit. Make sure to appropriately account for what is in parallel and what is in series as you do; the most straightforward way to do this traditionally is to set up smaller effective capacitors one segment at a time until you have reduced the entire capacitor network to a single effective capacitor, then calculate the time constant.
- If you wish to take a picture of a bullet traveling at 505 m/s, then a very brief flash of light produced by an RC discharge through a flash tube can limit blurring. Assuming 1.00 mm of motion during one RC constant is acceptable, and given that the flash is driven by a 610 µF capacitor, what is the resistance (in Q) in the flash tube? ΩConsider the network of four resistors shown in the diagram, where R1 = 1 Ω, R2 = 5 Ω, R3 =2Ω,andR4 =6Ω. . The resistors are connected to a battery with an emf V. (a) What is the current flowing out of the battery if the emf is 12 V? (B) What is the voltage difference across the resistor R1? (C) What is the rate of Ohmic dissipation for resistor R2?For each of the three simple circuit boards you will need to calculate the total resistance Reg for the entire circuit board by using the measured resistances of each of the resistors, and the equations given to you in the theory section. Then using the applied voltage of 2V, as the theoretical voltage Vth for the entire circuit board you can calculate the theoretical current, ith, for the entire circuit board. Table 1(Resistors in series) R(Q) 310 10 100 200 Req 10Ω 1000 200Ω iex(A) 0.0074 0.0064 0.068 0.0064 0.650 0.0064 1.283 Using the equations for resistors in series calculate the theoretical voltages, and currents for each of the resistors, and the entire circuit. Use the measured values of the resistance in your calculations. Then calculate the % errors. Show work. Vex(V) 2.006 ith(A) Vth(V) % Error i % Error V