Circuits Chapter #7Homework Answers
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Problem 7.2-10 is(t), A 7.8 88 2 0.40F v(t) 3.9 t, S 0.50 1.00 Consider this circuit together wit...
Problem 7.2-14 8 Ohms v(t)=C 18.2 Ohms 25 V v(t 71 13e- 5t = E Fe-5t...
Problem 7.2-14 8 Ohms v(t)=C 18.2 Ohms 25 V v(t 71 13e- 5t = E Fe-5t = The capacitor voltage is values of the constants E and F used to represent i(t). V for t 0, The current in the 8 A for t 0. Determine the resistor is A and E = F = A
27? 73 S2 0.20A 0.001Fv(t) i(t) -10t The capacitor voltage in this circuit is v(t)- 14.60-33.6...
27? 73 S2 0.20A 0.001Fv(t) i(t) -10t The capacitor voltage in this circuit is v(t)- 14.60-33.6 efort 0. -10t The current in the 73-? resistor is represented as ,(t)-E+ Fe - for t > 0. Determine the values of the constants E and F: V and F V.
For the following circuit: At t=0 the voltage drop on the capacitor is and points s...
For the following circuit:
At t=0 the voltage drop on the capacitor is and
points s and 1 are connected.
1) Which of the following statement describe what will happen in
the circuit ? (select one)
a. The capacitor will be charged to a final voltage of , with I
being the current in the circuit
b. The capacitor will disconnect the circuit so no current will
exist
c. The voltage will oscillate at an angular frequency of
d. The...
Help needed please! Please show all work, thanks! 4000 - Suit) V 0.5pF = V(t) 0.5H...
Help needed please! Please show all work, thanks!
4000 - Suit) V 0.5pF = V(t) 0.5H Consider the above circuit and answer the following questions: a) What is the initial voltage across the capacitor and the initial current through the inductor? b) Compute the values of a and Wo. Hint: You may need to transform the circuit. c) Compute the roots of the characteristic equation. d) What type of response do you expect? e) Solve for the inductor current i(t)...
7.2. Show all of your work on this problem. Use V1 12 V, R1 2 kQ,...
7.2. Show all of your work on this problem. Use V1 12 V, R1 2 kQ, R2 6 kQ, R3 a) The switch in the circuit shown as Fig. 7.2 has been in the closed position for a significant amount of time. What is the voltage across the capacitor just before the switch opens at t = 0? b) Find the time constant for this circuit with the switch open, and write the equation for Vc(t) for t> 0. c)...
QUESTION Cyril the Circuit Analyst is examining the interaction of both AC and DC sources with a circuit. The circu...
QUESTION Cyril the Circuit Analyst is examining the interaction of both AC and DC sources with a circuit. The circuit is drawn below. Pay careful attention to the arrows on the switches which show which are initially open, and which are initially closed. Assume that the capacitor is initially discharged at 0. All times are in seconds 10 mH 1-Os1-1s!=2s \ t = 5s 400 | 10cos(ox) 50 pF 10 mA At 0, the first switch closes connecting the current...
+ Problem 6 The input to the circuit is is(t) =2 + 4u(t) A. a. Determine...
+ Problem 6 The input to the circuit is is(t) =2 + 4u(t) A. a. Determine the voltage v(t) across the left-handed 32 resistor for t > 0. b. Plot and fully label v(t) and interpret the result. 3Ω v(t) 3Ω 3 2 0.25 H Problem 7 Find the complete response of the capacitor v(t) for t > 0 for the circuit. Assume the circuit is at steady state at t 0. t=0 42 1 H + 6V 1/4 F...
Ri Sw Sw2R (a) Circuit Swi Closed + Open T t (ms) 10 20 30 40...
Ri Sw Sw2R (a) Circuit Swi Closed + Open T t (ms) 10 20 30 40 50 Sw2 Closed (ms) 10 20 30 40 50 Figure m5.3 Voltage waveform for Problem m5.3. m5.3 Response of the RC Circuit: Figure m5.3(a) shows a resistor-capacitor circuit with a pair of switches and Fig. m5.3(b) shows the switch opening-closing behavior a function of time. The initial capacitor voltage is as -9 V. Component values are R1-10k. R2-3.3 kg2. (a) Determine the equation that...
Problem Consider the circuit shown below, in which the switch instantaneously moves back and forth between...
Problem Consider the circuit shown below, in which the switch instantaneously moves back and forth between contacts A and B, spending 2 seconds in each position. Thus, the capacitor repeatedly charges for 2 seconds and then discharges for 2 seconds. Assume that uc (0)-0 V and the switch moves to position A at -0s. a) Find the voltage across the capacitor vc for t = 2 s, t = 4 s, t = 6 s, and t b) Sketch vc...
(12 pts) In the circuit below the capacitor is fully charged to 12.0 V. Switch S...
(12 pts) In the circuit below the capacitor is fully charged to 12.0 V. Switch S is next flipped down for discharge of the capacitor. (a) Show the new switch position on the diagram and the current flow direction during discharge. (b) Sketch the voltage Vc across the capacitor C (during discharge) as a function of time t on the graph below. (c) Calculate the time constant for the discharge from the given R and C values. 8. Graph of...
Problem 7.2-14 8 Ohms v(t)=C 18.2 Ohms 25 V v(t 71 13e- 5t = E Fe-5t = The capacitor voltage is values of the constants E and F used to represent i(t). V for t 0, The current in the 8 A for t 0. Determine the resistor is A and E = F = A
27? 73 S2 0.20A 0.001Fv(t) i(t) -10t The capacitor voltage in this circuit is v(t)- 14.60-33.6 efort 0. -10t The current in the 73-? resistor is represented as ,(t)-E+ Fe - for t > 0. Determine the values of the constants E and F: V and F V.
For the following circuit:
At t=0 the voltage drop on the capacitor is and
points s and 1 are connected.
1) Which of the following statement describe what will happen in
the circuit ? (select one)
a. The capacitor will be charged to a final voltage of , with I
being the current in the circuit
b. The capacitor will disconnect the circuit so no current will
exist
c. The voltage will oscillate at an angular frequency of
d. The...
Help needed please! Please show all work, thanks!
4000 - Suit) V 0.5pF = V(t) 0.5H Consider the above circuit and answer the following questions: a) What is the initial voltage across the capacitor and the initial current through the inductor? b) Compute the values of a and Wo. Hint: You may need to transform the circuit. c) Compute the roots of the characteristic equation. d) What type of response do you expect? e) Solve for the inductor current i(t)...
7.2. Show all of your work on this problem. Use V1 12 V, R1 2 kQ, R2 6 kQ, R3 a) The switch in the circuit shown as Fig. 7.2 has been in the closed position for a significant amount of time. What is the voltage across the capacitor just before the switch opens at t = 0? b) Find the time constant for this circuit with the switch open, and write the equation for Vc(t) for t> 0. c)...
QUESTION Cyril the Circuit Analyst is examining the interaction of both AC and DC sources with a circuit. The circuit is drawn below. Pay careful attention to the arrows on the switches which show which are initially open, and which are initially closed. Assume that the capacitor is initially discharged at 0. All times are in seconds 10 mH 1-Os1-1s!=2s \ t = 5s 400 | 10cos(ox) 50 pF 10 mA At 0, the first switch closes connecting the current...
+ Problem 6 The input to the circuit is is(t) =2 + 4u(t) A. a. Determine the voltage v(t) across the left-handed 32 resistor for t > 0. b. Plot and fully label v(t) and interpret the result. 3Ω v(t) 3Ω 3 2 0.25 H Problem 7 Find the complete response of the capacitor v(t) for t > 0 for the circuit. Assume the circuit is at steady state at t 0. t=0 42 1 H + 6V 1/4 F...
Ri Sw Sw2R (a) Circuit Swi Closed + Open T t (ms) 10 20 30 40 50 Sw2 Closed (ms) 10 20 30 40 50 Figure m5.3 Voltage waveform for Problem m5.3. m5.3 Response of the RC Circuit: Figure m5.3(a) shows a resistor-capacitor circuit with a pair of switches and Fig. m5.3(b) shows the switch opening-closing behavior a function of time. The initial capacitor voltage is as -9 V. Component values are R1-10k. R2-3.3 kg2. (a) Determine the equation that...
Problem Consider the circuit shown below, in which the switch instantaneously moves back and forth between contacts A and B, spending 2 seconds in each position. Thus, the capacitor repeatedly charges for 2 seconds and then discharges for 2 seconds. Assume that uc (0)-0 V and the switch moves to position A at -0s. a) Find the voltage across the capacitor vc for t = 2 s, t = 4 s, t = 6 s, and t b) Sketch vc...
(12 pts) In the circuit below the capacitor is fully charged to 12.0 V. Switch S is next flipped down for discharge of the capacitor. (a) Show the new switch position on the diagram and the current flow direction during discharge. (b) Sketch the voltage Vc across the capacitor C (during discharge) as a function of time t on the graph below. (c) Calculate the time constant for the discharge from the given R and C values. 8. Graph of...
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