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THE EE 101 CHALLENGE/FINAL EXAM QUESTION BANK DC CIRCUITS

, by questionbank2u

SAN JOSE STATE UNIVERSITY
College of Engineering
ELECTRICAL ENGINEERING DEPARTMENT


THE EE 101 CHALLENGE/FINAL EXAM QUESTION BANK


EE 101 (Circuit Concepts and Problem Solving) is a one-unit, credit/no-credit course that is a prerequisite for EE 110 (Network Analysis) and EE 112 (Linear Systems). The prerequisites for EE 101 are a grade of C or better in EE 98 or equivalent.
To obtain credit for EE 101, students are required to

(1) enroll in the EE 101 semester course and 
(2) achieve a passing score on the examination.

Note that students can either

(a) take the examination at the end of a semester of their enrollment, or 
(b) "challenge" the course by taking the examination at the beginning of a semester.

Students are required to be registered in the EE 101 course in the semester that they take and pass the exam.
Well prepared students are encouraged to "challenge" the course. To help students prepare for this exam, this web site provides a collection of 305 questions and their answers. In every case, the first answer in the multiple-choice list of five choices is the correct answer. To avoid being biased by knowing the right answer ahead of time, we recommend that you work out your solution to each problem before looking at the answers.
The examination for EE 101 is closed book and closed notes. Only student ID and basic calculators are allowed. The questions on the actual exam will be created by selecting questions from the EE 101 Question Bank and modifying the questions slightly. Typical modifications include, but are not limited to, changing the numerical values of parameters and randomizing the answer sequence.
The following categories are:




DC CIRCUITS

The following questions concern DC circuit analysis. All operational amplifiers are ideal. In this version of the exam, the first choice is always the correct one. In the actual exam, the correct choice could be in any position, and there may be other changes to the choices.



1. If R1 = 2 W, R2 = 3 W, and R3 = 6W , the equivalent resistance Req (in ohms) at terminals a and b is
  1. 4
  2. 11
  3. 20
  4. 18
  5. 6


2. If R1 = 3 W, R2 = 4 W, R3 = 2 W, and R4 = 2 W, the equivalent resistance Req (in ohms) at terminals a and b is
  1. 5
  2. 11
  3. 19
  4. 4
  5. 2


3. If R1 = 40 W, R2 = 10 W, and R3 = 50 W, the equivalent resistance Req (in ohms) at terminals a and b is
  1. 24
  2. 100
  3. 2400
  4. 48.33
  5. 10


4. If R1 = 30 W, R2 = 6 W, R3 = 40 W, and R4 = 60 W, the equivalent resistance Req (in ohms) at terminals a and b is
  1. 15
  2. 136
  3. 5
  4. 6
  5. 60


5. If Vs = 18 V, R1 = 2 W, and R2 = 4 W, the voltage V1 (in volts) is
  1. 6
  2. -6
  3. 12
  4. -12
  5. 9


6. If Vs = 24 V, R1 = 36 W, and R2 = 12 W, the voltage V1 (in volts) is
  1. -18
  2. 18
  3. -6
  4. 6
  5. -12


7. If Vs = 100 V, R1 = 25 W, R2 = 15 W, and R3 = 10 W, the voltage V2 (in volts) is
  1. -30
  2. 30
  3. -50
  4. 20
  5. 50


8. If Vs = 9 V, R1 = 2 W, R2 = 3 W, and R3 = 4 W, the voltage V1 (in volts) is
  1. -2
  2. 2
  3. -3
  4. 3
  5. 4


9. If Is = 6 A, R1 = 2 W, and R2 = 4 W, the current I2 (in amperes) is
  1. 2
  2. -2
  3. 4
  4. -4
  5. 3


10. If Is = 36 A, R1 = 6 W, and R2 = 12 W, the current I1 (in amperes) is
  1. -24
  2. 24
  3. -12
  4. 12
  5. 18


11. If Is = 18 A, R1 = 6 W, R2 = 4 W, and R3 = 3 W, the current I3 (in amperes) is
  1. -8
  2. 8
  3. -4.15
  4. 4.15
  5. 9


12. If Is = 14 A, R1 = 2 W, R2 = 4 W, and R3 = 8 W, the current I1 (in amperes) is
  1. 8
  2. -8
  3. 2
  4. -2
  5. 7


13. If Vs = 8 V, R1 = 24 W, and R2 = 40 W, the Thevenin equivalent resistance RTh (in ohms) at terminals (a, b) is
  1. 15
  2. 24
  3. 40
  4. 64
  5. 32


14. If Is = 2 A, R1 = 24 W, and R2 = 40 W, the Thevenin equivalent resistance RTh (in ohms) at terminals (a, b) is
  1. 64
  2. 24
  3. 40
  4. 15
  5. 32


15. If Vs = 8 V, R1 = 24 W, and R2 = 40 W, the Thevenin equivalent resistance RTh (in ohms) at terminals (a, b) is
  1. 40
  2. 24
  3. 64
  4. 50
  5. 32


16. If Is = 2 A, R1 = 24 W, and R2 = 40 W, the Thevenin equivalent resistance RTh (in ohms) at terminals (a, b) is
  1. 24
  2. 40
  3. 64
  4. 50
  5. 32


17. If m = 0.5 and R = 8 W, the Thevenin equivalent resistance RTh (in ohms) at terminals (a, b) is
  1. 16
  2. 8
  3. 4
  4. -16
  5. -4


18. If b = 0.5 and R = 8 W, the Thevenin equivalent resistance RTh (in ohms) at terminals (a, b) is
  1. 12
  2. 8
  3. 4
  4. -12
  5. -4


19. If r = 20 W and R1 = 4 W, the Thevenin equivalent resistance RTh (in ohms) at terminals (a, b) is
  1. -16
  2. 16
  3. 4
  4. 24
  5. 20


20. If g = 0.25 S and R1 = 4 W, the Thevenin equivalent resistance RTh (in ohms) at terminals (a, b) is
  1. 2
  2. -2
  3. 4
  4. 8
  5. 0


21. If Vs = 8 V, R1 = 24 W, and R2 = 40 W, the Thevenin equivalent voltage VTh (in volts) at terminals (a, b) is
  1. 3
  2. -3
  3. 5
  4. -5
  5. 8


22. If Is = 2 A, R1 = 24 W, and R2 = 40 W, the Thevenin equivalent voltage VTh (in volts) at terminals (a, b) is
  1. -80
  2. 80
  3. -48
  4. 48
  5. 0


23. If Vs = 8 V, R1 = 24 W, and R2 = 40 W, the Thevenin equivalent voltage VTh (in volts) at terminals (a, b) is
  1. 8
  2. -8
  3. 3
  4. -3
  5. 0


24. If Is = 2 A, R1 = 24 W, and R2 = 40 W, the Thevenin equivalent voltage VTh (in volts) at terminals (a, b) is
  1. 48
  2. -48
  3. 80
  4. -80
  5. 0


25. If m = 0.5 and R = 8 W, the Thevenin equivalent voltage VTh (in volts) at terminals (a, b) is
  1. 0
  2. 0.5
  3. 4
  4. -0.5
  5. -4


26. If b = 0.5 and R = 8 W, the Thevenin equivalent voltage VTh (in volts) at terminals (a, b) is
  1. 0
  2. 0.5
  3. 4
  4. -0.5
  5. -4


27. If Vs = 8 V, R1 = 24 W, and R2 = 40 W, the Norton equivalent current IN (in amperes) at terminals (a, b) is
  1. 0.2
  2. -0.2
  3. 0.333
  4. -0.333
  5. 0


28. If Is = 2 A, R1 = 24 W, and R2 = 40 W, the Norton equivalent current IN (in amperes) at terminals (a, b) is
  1. -1.25
  2. 1.25
  3. -0.75
  4. 0.75
  5. 0


29. If m = 0.5 and R = 8 W, the Norton equivalent current IN (in amperes) at terminals (a, b) is
  1. 0
  2. 0.0625
  3. -0.0625
  4. 0.5
  5. -0.5


30. If b = 0.5 and R = 8 W, the Norton equivalent current IN (in amperes) at terminals (a, b) is
  1. 0
  2. 0.5
  3. 4
  4. -0.5
  5. -4


31. If Vs = 8 V, Is = 4 A, R1 = 4 W, and R2 = 4 W, the voltage V2 (in volts) is
  1. 12
  2. -12
  3. 4
  4. -4
  5. 0


32. If Vs = 8 V, Is = 4 A, R1 = 4 W, and R2 = 4 W, the voltage V2 (in volts) is
  1. 4
  2. -4
  3. 8
  4. -8
  5. 0


33. If Vs = 12 V, R1 = 3 W, R2 = 2 W, and r = 5 W, the current I2 (in amperes) is
  1. 10
  2. -10
  3. 20
  4. -20
  5. 0


34. If Is = 2 A, R1 = 5 W, R2 = 10 W, and m = 40, the current I2 (in amperes) is
  1. -40
  2. 40
  3. -400
  4. 400
  5. 0


35. If Vs = 12 V, R1 = 3 W, R2 = 2 W, and b = 2 , the voltage V2 (in volts) is
  1. -16
  2. 16
  3. -8
  4. 8
  5. 0


36. If Is = 6 A, R1 = 2 W, R2 = 3 W, and g = 2 S, the voltage V2 (in volts) is
  1. 72
  2. -72
  3. 24
  4. -24
  5. 0


37. If Vs = 24 V, R1 = 6 W, and r = 2 W, the current Ix (in amperes) is
  1. 6
  2. -6
  3. 3
  4. -3
  5. 0


38. If Vs = 24 V, R1 = 6 W, and r = 2 W, the current Ix (in amperes) is
  1. 3
  2. -3
  3. 6
  4. -6
  5. 0


39. If Is = 12 A, R = 5 W, and g = 0.1 S, the voltage Vx (in volts) is
  1. 120
  2. -120
  3. 40
  4. -40
  5. 0


40. If Is = 12 A, R = 5 W, and g = 0.1 S, the voltage Vx (in volts) is
  1. 40
  2. -40
  3. 120
  4. -120
  5. 0


41. If Is = 3 A and R = 6 W, the voltage V0 (in volts) is
  1. -18
  2. 18
  3. -36
  4. 36
  5. 0


42. If Is = 3 A and R = 6 W, the voltage V0 (in volts) is
  1. 18
  2. -18
  3. 36
  4. -36
  5. 0


43. If Vs = 12 V, R1 = 4 W, and R2 = 6 W, the voltage V0 (in volts) is
  1. -18
  2. 18
  3. -8
  4. 8
  5. 0


44. If Vs = 12 V, R1 = 4 W, and R2 = 6 W, the voltage V0 (in volts) is
  1. 30
  2. -30
  3. 18
  4. -18
  5. 0


45. If Vs = 12 V, R1 = 4 W, and R2 = 6 W, the current I1 (in amperes) is
  1. 3
  2. 1.2
  3. -3
  4. -1.2
  5. 0


46. If Vs = 12 V, R1 = 4 W, and R2 = 6 W, the current I1 (in amperes) is
  1. 0
  2. 3
  3. 2
  4. -3
  5. -2


47. If Vs = 12 V, R1 = 4 W, R2 = 6 W, and R3 = 6 W, the current I0 (in amperes) is
  1. -6
  2. 6
  3. -3
  4. 3
  5. 0


48. If Vs = 12 V, R1 = 4 W, R2 = 6 W, and R3 = 10 W, the current I0 (in amperes) is
  1. 6
  2. -6
  3. 3
  4. -3
  5. 0


49. If Vs = 6 V and R = 10 W, the voltage V0 (in volts) is
  1. 24
  2. -24
  3. 6
  4. -6
  5. 0


50. If Vs = 6 V and R = 10 W, the voltage V0 (in volts) is 
  1. 6
  2. -6
  3. 24
  4. -24
  5. 0


End of Questions on DC Circuits





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