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barcode reader using vb net source code Steadystate conditions exist in the circuit shown in in Software
510 Steadystate conditions exist in the circuit shown in Recognizing Denso QR Bar Code In None Using Barcode Control SDK for Software Control to generate, create, read, scan barcode image in Software applications. QR Code 2d Barcode Creation In None Using Barcode generator for Software Control to generate, create QR Code image in Software applications. Figure P57 for t < 0 The switch is closed at t = 0 V1 = 12 V R1 = 680 R3 = 18 k C = 047 F R2 = 22 k
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EAN / UCC  13 Maker In None Using Barcode generation for Software Control to generate, create UPC  13 image in Software applications. Paint Bar Code In None Using Barcode printer for Software Control to generate, create barcode image in Software applications. P51, the current through the inductor is 170 mA in the direction shown VS = 12 V R1 = 6 k R3 = 3 k L = 09 mH R2 = 6 k Making Code 128C In None Using Barcode generator for Software Control to generate, create Code 128C image in Software applications. Making Code39 In None Using Barcode drawer for Software Control to generate, create USS Code 39 image in Software applications. 515 The circuit of Figure P515 is a simple model of an
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Determine the value of L and R1 so that the voltage across the spark plug gap just after the switch is changed is 23 kV and so that this voltage will change exponentially with a time constant = 13 ms t=0 RS + + _ VS R1
RG + + V _ G R1 L R
+ VR
Figure P518
519 Steadystate conditions exist in the circuit shown in
Figure P57 for t < 0 The switch is closed at t = 0 V1 = 12 V R1 = 4 M R3 = 6 M C = 150 F R2 = 80 M
Figure P515
516 The inductor L in the circuit shown in Figure P516
is the coil of a relay When the current through the coil is equal to or greater than +2 mA the relay functions Assume steadystate conditions at t < 0 If: VS = 12 V L = 109 mH R1 = 31 k Determine the time constant of the circuit for t > 0
520 Just before the switch is opened at t = 0 in Figure
P51, the current through the inductor is 170 mA in the direction shown VS = 12 V R1 = 400 R3 = 600 L = 100 mH R2 = 400 determine R2 so that the relay functions at t = 23 s
t=0 R1 + + _ Vs iL(t) R2
Determine the time constant of the circuit for t > 0
521 For the circuit shown in Figure P521, assume that
switch S1 is always open and that switch S2 closes at t = 0 a Find the capacitor voltage, vC (t), at t = 0+ b Find the time constant, , for t 0 c Find an expression for vC (t) and sketch the function d Find vC (t) for each of the following values of t: 0, , 2 , 5 , 10 Figure P516
517 Determine the current through the capacitor just
before and just after the switch is closed in Figure P517 Assume steadystate conditions for t < 0 V1 = 12 V R1 = 400 m C = 150 F R2 = 22 k S1 + R1 5 vC(t) C1 4F
R2 4 t=0 C R2 R1
+ + _ V1
+ 20 V _ R3 C2 4F 3
R4 6 Figure P521
522 For the circuit shown in Figure P521, assume that
switch S1 is always open; switch S2 has been closed for a long time, and opens at t = 0 a Find the capacitor voltage, vC (t), at t = 0+ b Find the time constant, , for t 0 c Find an expression for vC (t) and sketch the function d Find vC (t) for each of the following values of t: 0, , 2 , 5 , 10 Figure P517
518 Determine the voltage across the inductor just
before and just after the switch is changed in Figure P518 Assume steadystate conditions exist for t < 0 VS = 12 V R1 = 33 k RS = 024 L = 100 mH 5
Transient Analysis
523 For the circuit of Figure P521, assume that switch
S2 is always open, and that switch S1 has been closed for a long time and opens at t = 0 At t = t1 = 3 , switch S1 closes again a Find the capacitor voltage, vC (t), at t = 0+ b Find an expression for vC (t) for t > 0 and sketch the function a What is the time constant for 0 < t < 10 s b What is the time constant for t > 10 s
1 k 5 4 k
524 Assume both switches S1 and S2 in Figure P521
close at t = 0 a Find the capacitor voltage, vC (t), at t = 0+ b Find the time constant, , for t 0 c Find an expression for vC (t) and sketch the function d Find vC (t) for each of the following values of t: 0, , 2 , 5 , 10 vS + _ 5 20 1 F 25 1
525 Assume both switches S1 and S2 in Figure P521
have been closed for a long time and switch S2 opens at t = 0+ a Find the capacitor voltage, vC (t), at t = 0+ b Find an expression for vC (t) and sketch the function c Find vC (t) for each of the following values of t: 0, , 2 , 5 , 10 Figure P528
529 The circuit of Figure P529 includes a model of a
voltagecontrolled switch When the voltage across the capacitor reaches 7 V, the switch is closed When the capacitor voltage reaches 05 V, the switch opens Assume that the capacitor voltage is initially VC = 05 V and that the switch has just opened a Sketch the capacitor voltage versus time, showing explicitly the periods when the switch is open and when the switch is closed b What is the period of the voltage waveform across the 10 resistor

