SOAL TAV OLYMPIC SKIL TAHUN 2014

TINGKAT XI

KODE SOAL : A1

PETUNJUK: Pilihlah jawaban yang paling benar, tulis jawaban pada lembar jawaban yang sudah disediakan.

1. What does LED stand for?A. Light Emitting DisplayB. Low Energy DisplayC. Light Emitting DiodeD. Light Emitting Detector

2. Name the three leads of a common transistor

A. Collector Bias OmitterB. Base Collector CaseC. Emitter Collector BiasD. Collector Base Emitter

3. Connecting a lead from the negative to the positive of a battery will produce:

A. A high resistance circuitB. A short circuitC. A low current pathD. An open circuit

4. What is the approximate characteristic voltage that develops across a red LED?

A. 1.7vB. 3.4vC. 0.6vD. 5v

5. If two resistors are placed in series, is the final resistance:

A. HigherB. LowerC. The sameD. Cannot be determined

6. Which is not a "common" value of resistance:

A. 2k7B. 1M8C. 330RD. 4k4

7. If a small value of capacitance is connected in parallel with a large value, the combined capacitance will be:

A. The sameB. HigherC. LowerD. Cannot be determined

8. If the voltage on the base of a transistor increases, does it:

A. Turn onB. Turn offC. Not enough informationD. Remain the same

9. The resistor identified in brown is called the:

A. Base Bias ResistorB. Load ResistorC. Emitter Feedback ResistorD. Bypass Resistor

10. A 220n capacitor in parallel with 220n produces:

A. 0nB. 220nC. 440nD. 110n

11. A resistor with colour bands: red-red-red-gold, has the value:

A. 22k 5%B. 2k2 5%C. 220R 5% D. 22R 5%

12. The lead marked with the arrow is:

A. The CollectorB. The BaseC. The EmitterD. The case

13. A 10k resistor in parallel with 10k produces:

A. 10kB. 5kC. 20kD. 100k

14. The symbol is:

A. NPN TransistorB. PNP TransistorC. Photo TransistorD. Field Effect Transistor

15. Two 3v batteries are connected as shown.

The output voltage is:

A. 3vB. 0vC. 6vD. 9v

16. 4 resistors in ascending order are:

A. 22R 270k 2k2 1MB. 4k7 10k 47R 330kC. 3R3 4R7 22R 5k6D. 100R 10k 1M 3k3

17. The closest value for this combination is:

A. 4k7B. 2k3C. 9k4D. 47k

18. This stage is called:

A. Common BaseB. Common CollectorC. Common EmitterD. Emitter Follower

19. The four symbols are:

A. Capacitor, Microphone, Potentiometer, Electrolytic

B. Electrolytic, Microphone, Resistor, Capacitor C. Capacitor, Piezo, Resistor, ElectrolyticD. Electrolytic, Coil, Resistor, Capacitor

20. The value of the combination is:

A. 100nB. 200nC. 50nD. 10p

21. The resistor marked in black is:

A. Base Bias ResistorB. Load ResistorC. Emitter Feedback ResistorD. Bypass Resistor

22. A resistor and capacitor in series is called a:

A. Pulse CircuitB. Timing Circuit/Delay CircuitC. Oscillator Circuit/Frequency CircuitD. Schmitt Circuit

23. A red-red-red-gold resistor in series with an orange-orange-orange-gold resistor produces:

A. 5k5B. 35,200 ohmsC. 55kD. None of the above

24. Name the 4 components:

A. Photo transistor, switch, capacitor, coilB. Transistor, mercury switch, piezo, coil C. Photo transistor, reed switch, piezo, coilD. Photo darlington transistor, reed switch, piezo,

coil

25. To obtain a higher value of resistance, resistors are connected in:

A. ReverseB. ForwardC. ParallelD. Series

26. A capacitor and coil in parallel is called:

A. A Tuned CircuitB. A Timing CircuitC. A Delay CircuitD. A Schmitt Circuit

27. When the base is raised, the emitter will:

A. RiseB. FallC. Remain FixedD. Oscillate

28. What is 1,000p?

A. 0.01nB. 0.0001uC. 0.1nD. 1n

29. The current in a circuit is 45mA. This is:

A. 0.045AmpB. 0.00045AC. 0.0045AD. 0.45A

30. A 100n capacitor can be expressed as: (u = microfarad)

A. 0.1u B. 0.01uC. 0.001uD. none of the above

31. 1mA is equal to:

A. 0.001AB. 0.00001AC. 0.01AD. 0.1A

32. 1,200mV is equal to:

A. 12vB. 1.2vC. 0.12vD. 0.0012v

33. If a 10k resistor is placed across a 10v supply, the current will be:

A. 10mAB. 1mAC. 0.01mAD. 0.1mA

34. This arrangement is called:

A. Common EmitterB. Common Collector/Emitter FollowerC. Common BaseD. none of the above

35. Identify the correctly connected LED:

A. AB. BC. CD. D

36. Identify the correct statement:

A. The cathode lead is longer. It goes to the negative rail

B. The cathode lead is shorter. It goes to the negative rail

C. The cathode lead is shorter. It goes to the positive rail

D. The cathode lead is longer. It goes to the positive rail

37. The current requirement of a LED is:

A. 1.7mAB. 25mAC. Between 3 and 35mAD. 65mA

38. The signal at the collector will be . . . . . . with the base.

A. Inverted . . . B. In-phase . . .C. None...D. none of the above

39. The purpose of the capacitor:

A. To pass AC on the input to the baseB. To allow the transistor to self-biasC. Block DC from the input lineD. To allow the stage to operate

40. The direction of conduction for a diode is:

A. AB. BC. CD. none of the above

41. A DC voltage . . .

A. rises and fallsB. is a sinewaveC. remains constantD. is an audio waveform

42. A CRO is a

A. Cathode Ray OscillatorB. Cathode Ray OscilloscopeC. Capacitor-Resistor OscillatorD. Capacitor-Resistor Output

43. Doping of a semi conductor increases ____

A. ResistivityB. ConductivityC. InductanceD. None

44. The tolerance bands: gold; silver; brown, represent:

A. 10%, 5%, 1%B. 5%, 10%, 2%C. 5%, 10%, 1%D. 10%, 5%, 2%

45. 223 on a capacitor represents:

A. 0.022u u = microfaradB. 22n n = nanofaradC. 22,000p p = picofaradD. All of the above

46. Arrange these in ascending order: n, p, u

A. p, u, n, B. n, u, pC. p, n, uD. All of the above

47. Name this symbol:

A. A bufferB. A NOR gateC. A NAND gateD. A Schmitt Trigger

48. The number "104" on a capacitor indicates:

A. 0.1uB. 100nC. 1nD. 10n

49. What is the multimeter detecting:

A. The output voltage of the Schmitt TriggerB. The delay across the capacitorC. The voltage across the capacitorD. The current through the capacitor

50. For the NOR gate, what is the output when both inputs are HIGH:

A. HIGHB. LOWC. Can be HIGH or LOWD. Cannot be determined