ਅਰ-- 15 v | Vc40 ਘF t=0 - 20 A Given: The left-side switch is opened...
t-0 50 A 20 V Ve Given: The left-side switch is opened at t = 0; the right side make be ore break switch 1S thrown at t- so that the 50 A current source 1s safely attached to the 8 μF capacitor Required: Determine the capacitor voltage, vc, after 25 μs and the time required for the voltage to reach 264.375 V.
t-0 50 A 20 V Ve Given: The left-side switch is opened at t = 0; the...
Solve for Vc(t) for t> 0 as the switch (SW1) becomes opened and the switch (SW2) becomes closed for t>O. t=0 20 mH t=0 R2=160 SW1 SW2 Vs + 80V R, 240 VC с (1/600) F R3 8Ω (4).4 1.5 A
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.
Just before the switch is opened at t-0 in the given figure, the current through the inductor is i e 1.5 mA. Determine the voltage v3 across R3 immediately after the switch is opened, where Vs 12 V, R1-6 kohm, R2 = 6 kohm, R3 10 kohm, and L-0.9 mH. t-0 R2 IL The voltage vs across R3 immediately after the switch is opened is answer to one decimal place.) V. (Round the final
a.) Consider the circuit below. Assume that the capacitor is
fully discharged prior to t=0. The switch is closed at t=0
connecting the voltage source to the rest of the circuit. What is
the steady-state value of the voltage across the capacitor, VC(t),
after the switch is closed for a long time? Put your answer in the
box below, without the units (Volts).
b.) What is the time constant, ?, in ?s of the circuit in this
question.
c.) What...
Q3. In the circuit shown below, switch S has been closed for a very long time and it is opened at t = 0. Find the solution for the current i(t) passing through the inductor. Q4. In the circuit shown, the initial capacitor voltage is v(0) =5 V. (a) Find the capacitor voltage v(r) for t > 0. (b) Find the current io(t).
Q3: 20 In Figure-3, the switch was initially closed for a long time. Att = 0, it is opened. Calculate (i) ve(0+). (0+), ic(O+) and Ve(0) [4+4+2+2) (ii) vo(t) when 120 t=0 vacot) 9:375V 50 - 1 Rch tza - 52 switch 20 die-375 V/S (tot) = -1815A 25V 30 Vc + C=0.5F Lo 4:37e-046 v Figure-3
The initial voltage across the capacitor is 0 V. At time t=0, the switch is closed a) What is the time constant for this circuit? b) What is the final voltage across the 50 capacitor? c) What is the expression for the voltage across the 50 capacitor? d) Sketch the waveform for . e) What is the maximum instantaneous current that will flow through the capacitor? f) When will the voltage reach 5.0 V?
450 mH 20 k 2 M 240 V 30 k2 6 k 2 Given: The switch, which has been closed for a very long time, is opened at t=0. Required: Determine the initial inductor current, iLo, the steady-state inductor current, iLoo, the time constant, t, in effect for t> 0 and the value of the inductor current at t = 25 us. Solution: iLomA iL = O mA T= C MS İL(25 us) = mA Submit these values
The switch in the circuit shown has been closed for a long time and is opened at t = 0. Find a) The initial value of v(t), b) The time constant for t>0. c) The numerical expression for v(t) after the switch has been opened, d) The initial energy stored in the capacitor, and e) The length of time required to dissipate 75% of the initially stored energy.