Help Me Study for the Final: Answers Needed!

[Celostrophus]

These exams are merely help for studying for the final in this class. Completing them will not give me any credit whatsoever or affect my grade in the course. The only problem is that our instructor did not give us answers to the tests so we have no idea whether or not we worked the problem correctly. If someone could provide the answers to these problems, not the work that goes along with it, I would be forever grateful. If you need to see an attempt at the solutions before you can give me JUST THE ANSWERS. Then I will upload a PDF for each exam of my attempt at the solutions.

 

[Mark44]

These exams are merely help for studying for the final in this class. Completing them will not give me any credit whatsoever or affect my grade in the course. The only problem is that our instructor did not give us answers to the tests so we have no idea whether or not we worked the problem correctly. If someone could provide the answers to these problems, not the work that goes along with it, I would be forever grateful. If you need to see an attempt at the solutions before you can give me JUST THE ANSWERS.

Yes, we need to see an attempt first, according to the rules of PF (to see the rules, click the Rules button near the top of the window).

Then I will upload a PDF for each exam of my attempt at the solutions.

 

[Celostrophus]

EXAM SS09

Problem 1:
I_n = -1 A
R_th = 10 Ω

Problem 2:
V_oc = 1.25 V
R_th = 7.5Ω

Problem 4:
0 < t < t₀
V_L(t) = 15e^-1000tV

t > t₀
V_L(t) = 10e^-20000t

Problem 5:
V_out = 0V

Problem 6:
I₃ = 4/3 - 8/3j A

V_z = 80 + 40j V

Problem 7:
Z_eq = 10 + ω(-10,000j + 1x10^-6jω²)^-1

Not sure how to graph it... could use some help here.

Problem 8:
i_avg(t) = -10/3 A
i_eff = 17.5 A

Problem 9:
a) V_s(t) = 100√2cos(ωt)

b) I_s = 0.857∠-30.97° A

c) 85.7∠-30.97° VA

d) pF = 0.857

e) z = -818.33Ω

Problem 10:
z_L = 5 + 3j Ω

P_max = 367.65 - 220.6j VA

 

[Celostrophus]

EXAM SS10

Problem 1:
Using Mesh Currents:
I₁ clockwise in bottom left area.
I₂ clockwise in bottom right area.
I₃ clockwise in top area.

V_x = 5Ω*I₃
V_B - V_A = 2V
V_A - V_C = V_X
V_C = 25Ω*I₂
V_A = -10Ω*I₁
V_B = 20Ω(I₁ - I₂)
I₂ = 0.2V_X + I₃

Problem 2:
V_th = 13.33V
R_th = 8.33Ω

Problem 3:
V_c(t) = 7.59 - 7.59e^-50,000t
V_c(t) = 7.59e^-50,000t

Problem 4:
V_out(t) = V_in(t)/2 - 2.5

Problem 5:
a) i_avg(t) = 5A
b) I_eff = 10/√3 A
c) 500/3 W

Problem 6:
S = 0.77 - 1.15j

Problem 7:
a) 1 W
b) 1.28 W
c) 0.781
d) C = 45.1μF

Problem 8:
C = 40μF
R = 12.5Ω
P_max = 1.25W

 

[rezeew]

I understand the importance of studying and preparing for exams. However, it is important to remember that the purpose of exams is to test your understanding and knowledge of the material, not simply to provide answers. It is also important to note that getting the answers without understanding the process of how to arrive at them will not benefit you in the long run.

I would suggest reaching out to your instructor for clarification on any questions you may have or seeking help from a tutor or classmates. It is important to actively engage in the learning process and not rely solely on someone else's answers.

Additionally, providing answers without the accompanying work is not a helpful or ethical practice. It is important to respect the academic integrity of the course and your fellow classmates.

I encourage you to focus on understanding the material and practicing problem-solving techniques rather than simply seeking answers. This will not only benefit you in this course, but also in your future academic and professional endeavors.

 

[DeeNos]

As a scientist, it is important to understand that exams are not just about getting the correct answers, but also about testing your understanding and critical thinking skills. Simply having the answers without understanding the process and reasoning behind them will not help you in the long run.

It is understandable that you want to do well on your final exam, but it is important to remember that the purpose of the exam is to assess your knowledge and mastery of the subject. If you are relying solely on the answers provided by someone else, you may not truly understand the material and may struggle in the future.

Instead of seeking just the answers, I would recommend reviewing your notes, textbook, and other study materials to better understand the concepts and how to solve the problems. If you are still struggling, reach out to your instructor or classmates for help and clarification. It may also be helpful to practice similar problems and check your solutions with a study group or tutor.

Remember, the goal is not just to pass the exam, but to truly understand the material and be able to apply it in the future. Best of luck on your final exam.