Question 8 15 pts In the circuit below, the voltages on the capacitors just before the...
In the linear time-invariant circuit below. Before time t the voltages across the capacitors are v 1V, and v-4V. The switch is closed at time t 0 and remains in this condition for a time interval of t = 2π. The switch is opened at t = 2T, and remains open thereafter. What are the values of v1 and v2 for t > 2π? 9. 0 the switch is open, and t-2π L=2H t=0 V2 C1 = C2 = 4F
Question 8 5 pts The circuit shown in the figure below contains three resistors (R1, R2, and R3) and three batteries (VA, V8, and Vc). The resistor values are: R1=2 Ohms, R2=R3=4 Ohms, and the battery voltages are VA=25V, V8=15 V, and Vc=20 V. When the circuit is connected what will be the current through R ? VC M R VA ** VB R2 R3 O 0.75 A O 1.25 A 0 2.5 A 3.0 A 0 3.75 A
Question 8 5 pts The circuit shown in the figure below contains three resistors (R1, R2, and R3) and three batteries (VA, VB, and Vc). The resistor values are: R1=2 Ohms, R2=R3=4 Ohms, and the battery voltages are Va=25 V, V8=15 V, and Vc=20 V. When the circuit is connected what will be the current through Rz? VC R13 VA VB R2 R3 O 0.75 A O 1.25 A O 2.5 A O 3.0 A O 3.75 A
Capctr05 20Ω Given: The capacitors have initial voltages as shown in the above circuit. Att-0, the switch is closed. equ e Calculate the final voltage, Vi has reached equilibrium the final voltage, V across the capacitor, on the right, and the energy dissipated in the resis or ie, wR by the t me the system across the capacitor on the le Solution Submit these values
Capctr05 20Ω Given: The capacitors have initial voltages as shown in the above circuit. Att-0,...
Question 8 5 pts The circuit shown in the figure below contains three resistors (R1, R2, and Rs) and three batteries (VA. Vg, and V). The resistor values are: R2-2 Ohms, R2-R3-6 Ohms, and the battery voltages are VA-25 V. V8-15V, and Vc-20 V. When the circuit is connected, what will be the power dissipated by R2? VC R 3 VA VB R2 R₃ 10W 2.0 W oooo 5.0 W 6.0 W 7.5 W Question 9 5 pts The circuit...
(15 pts) Problem 8: For the circuit below with V = 10 V: a) Derive the expressions for vet) and vo(t) for t<0 and t20 b) Determine vc(t) and vo(t) for t equal to 8 ms. ΙΚΩ X=0 2k8} 11 The v vc on Zon 2ks} . "
Problem 2 (35 points) In the circuit shown below, the switch is closed at t = 0. t=0 L = 1 mH C1 = 5 uF C2 = 10 uf = l(s) Problem 2 The capacitor voltages at t = 0 are VC, (0) VC, (0) = = -50 V 30 V where the capacitor voltage polarities are indicated on the circuit drawing. Solve for the loop current i(t) using the Laplace transform method.
Given the circuit below, do the following. (a) Find all voltages
and currents for the resistors at the instant the switch is
closed.(b) Explain why R4 experiences a short and resistance goes
to zero the instant the switch closes (c) After the switch has been
closed a long time, find all voltages and currents for the
resistors.
R2 Given VB VB 50 V В R3 60 C2 45 Q R2 = 90 Q R3 15 Q Ri Wr
5) The initial voltages of 4 V and 24 V, respectively established by sources not shown (note polarity of the initial voltages). The switch is closed at t = 0. a. Find t) for t2 0; and i(t) for t 2 0 b. Find ) and ) for 2 0. Hint use tin part a and the current-voltage relationship for capacitors) c. Calculate the initial and final (that is, as t) energy stored in the capacitors. d. Calculate the total...
4) Midterm question Problem 2 (30 points) C=30 uF The air capacitors with C=Cq=3.0 MF, C=2.04F and C3= 1.0F are connected to a Vo battery as shown. If the charge on C2 is Q2=20.0 C, | ,2015 Foton C1.0 F (a) (15 pts. Find the equivalent capacitance of the circuit. (b) (15 pts.) Find V. 1) A charge Q is placed on a capacitor of capacitance C=C. The capacitor is then, connected to a resistor and another capacitor of capacitance...