When the switch in the circuit presented by the diagram to the right is open, the voltmeter reading is referred to as L (A A EMF Current C Resistance D Terminal voltage
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- Answer the following circuitt by filling out all missing values.Find the Thevenin equivalent circuit of the circuit in the figure, to the left of terminals a-b. Then find the current times the load resistor RL if RL = 6 Ω.) THE FOLLOWING QUESTIONS ARE BASED ON THE INFORMATION GIVEN HERE. In the circuit shown in the figure, the S switch is closed at t = 0 and the capacitors, which are completely empty, begin to fill. Here E = 45 V, C = 5 µF and R = 100 2. R A) What is the time constant of the circuit, T, in units of microseconds? Answer:
- (e) For the circuit at right: (i) Label the two terminals of the source of EMF “+" or "-" as Vị appropriate. R2 V2 (ii) Draw arrows representing the currents in the various legs of the circuit. Label the arrows with symbols such as I2 chosen to represent the currents. R3 (iii) Label the two terminals of each resistor "+" or "-" as appropriate. (iv) Clearly indicate two loops in the circuit on which one can apply Kirchoff's Loop Rule (a.k.a. Kirchoff's Voltage Law) and write the equation for each loop. (v) Clearly indicate one junction at which one can apply Kirchoff's Junction Rule (a.k.a. Kirchoff's Current Law) and write the equation for that junction. (vi) Solve for the voltage across, and the current through, each of the resistors. (Consider V,, V2, R1, R2, and R3 to be known.)In (Figure 1), the total resistance is 19.0 kΩ , and the battery's emf is 28.0 V . The time constant is measured to be 20.0 μs. Calculate the total capacitance of the circuit. Calculate the time it takes for the voltage across the resistor to reach 12.0 V after the switch is closed.In the circuit to the right, & = 1.2kV, C = 6.5 µF, and R₁ = R₂ R3 = R = 0.73 M. With C completely uncharged, switch S is sud- denly closed at t = 0. Remember to draw equivalent circuits to help with the analysis! R₁ -£8 S اقع www R₂ R₂ Fww (a) At t = 0, what is the voltage across the capacitor? How are the voltages across R3 and R₂ related? (b) At t= 0, what are the currents in each resistor? (c) For t → ∞o, what are the currents in each resistor? (d) For t→ ∞o, what are the voltages across each resistor? (e) For t → ∞, what is the voltage across the capacitor? (f) Once the circuit has nearly reached equilibrium, the switch is reopened. What is the current in each resistor right after the switch is reopened? The equivalent circuit will be super useful here; note that when we change the circuit by opening the switch, the capacitor is no longer in steady state - do not assume its current is zero! (g) How long after the switch is reopened does it take for the current in R3 to drop to…
- How long after switch S1 is thrown does it take the current in the circuit shown to reach half its maximum value? Express your answer in terms of the time constant of the circuit.HW: (2-3) See the figure below. For t 0. For simplicity, let C = C2 = C and R = R2 = R. R1 Vi C1 R2Оp Amp H.W) You have 5 voltage inputs (V1...5) and you wish to calculate 4(V1 + V2 + V3) – 2(V4 + V5). Design & Draw a circuit to achieve this.