In the circuit of the figure below, the switch S has been open for a long time. It is then suddenly closed. (Use the following as necessary: & for E, R₁, R₂, t, and C.) R₁ www T= @ (a) Determine the time constant before the switch is closed. www R₂ T= C (b) Determine the time constant after the switch is closed. I= (c) Let the switch be closed at t = 0. Determine the current in the switch as a function of time.
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- 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.The capacitor in the circuit shown below is initially uncharged. The switch is closed at t = 0 s. AVbattery = 30 V, C = 3.0 F, and R=2.0 Q. What is the current in the circuit at t = 7.5 s, in Ampere? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. R ниThe capacitor in the circuit shown below is initially uncharged. The switch is closed at t = 0 s. AV battery = 30 V, C = 3.0 F, and R = 2.0 2. What is the current in the circuit at t = 3.1 s, in Ampere? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
- The capacitor in the circuit shown below is initially uncharged. The switch is closed at t = 0 s. AVbattery = 30 V, C = 3.0 F, and R = 2.0 Q. What is the current in the circuit at t = 7.5 s, in Ampere? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. R HIHThe capacitor in the circuit shown below is initially uncharged. The switch is closed at t = 0 s. AVbattery = 30 V, C = 3.0 F, and R = 2.0 Q. What is the current in the circuit immediately after the switch is closed, in Ampere? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. R ни C7. In the figure below, the switch S is closed for a long time such that the system reaches a steady state (capacitor is fully charged). Find the current passing through R₂, 4 ms after the switch is opened. R₁ = 10 kQ, R₂ = 15 kN, E = 20 V, C = 0.4 µF. E. R₁ www R₂ C
- The capacitor in the circuit shown below is initially uncharged. The switch is closed at t = 0 s. ΔVbattery = 24 V, C = 3.0 μF, and R = 2.0 Ω. What is the current in the circuit at t = 0 s immediately after the switch is closed, in Ampere? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.Item 2 In the figure, the total resistance is 13.6 kN, and the battery's emf is 27.0 V. If the time constant is measured to be 23.5 us (Figure 1) Part A Calculate the total capacitance of the circuit. ? C = F Submit Request Answer Part B Calculate the time it takes for the voltage across the resistor to reach 14.6 V after the switch is closed. Πνα ΑΣφ ? t = Figure Submit Request Answer Provide Feedback SHow long after switch S is thrown does it take the current in the circuit to reach half it's maximum value? 3. Note: Give your answer in terms of either L and R or the time constant of the circuit, TI
- Figure 2 shows the arrangement of three resistors. The switch L is intially opened. Calculate I1, I2 and I3. The switch L is now closed. Compute the new current for I1, I2 and I3 A light bulb has been introduced to replace E1. Describe changes that can be observed in the circuiit.Which of the following equations could you use for a parallel circuit? Select one: Rot = R, +R, + R, ... Itot = IA = Is Vtot = VA + VBFind the time constant of the circuit shown in the figure. Given: R1 = 6 x 106 ohm, R2 = 7 x10° ohm, R3 = 9 x106 ohm, C1 = 7 µF, C2 = 6 µF. Write your answer in seconds. R3 RI Ci