The 2015 VANGE ARC Hot Cross Quiz
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1) What does resistance equal to?
     a) current / voltage           b) voltage / current
     c) voltage * current

2) What does LED stand for? 
     a) Light Emitting Display      b) Low Energy Display
     c) Light Emitting Diode        d) Light Emitting Detector 

3) Name the three leads of a common transistor 
     a) Collector Bias Omitter      b) Base Collector Case
     c) Emitter Collector Bias      d) Collector Base Emitter 

4. What is the approximate characteristic voltage that develops 
    across a red LED?
     a) 1.7v                        b) 3.4v
     c) 0.6v                        d) 5v

5. If two resistors are placed in series, is the final resistance: 
     a) Higher                      b) Lower
     c) The same                    d) Cannot be determined 

6. Which is not a "common" value of resistance: 
     a) 2k7                         b) 1M8
     c) 330R                        d) 4k4 

7. If a small value of capacitance is connected in parallel
   with a large value, the combined capacitance will be: 
     a) The same         b) Higher          c) Lower 

8. If the voltage on the base of a transistor increases, does it: 
     a) Turn on                    b) Turn off
     c) Not enough information     d) Remain the same

9.  A 100n capacitor in parallel with 10n produces: 
     a) 90n                        b) 100n
     c) 110n                       d) Cannot be determined
 
10. A resistor with colour bands: red-red-red-gold, has the value:  
     a) 22k   5%                   b) 2k2   5%
     c) 220R  5%                   d) 22R   5% 

11. A 10k resistor in parallel with 10k produces: 
     a) 10k                        b) 5k
     c) 20k                        d) Cannot be determined 

12. A resistor and capacitor in series is called a: 
     a) Pulse Circuit
     b) Timing Circuit/Delay Circuit
     c) Oscillator Circuit/Frequency Circuit
     d) Schmitt Circuit 

13. A red-red-red-gold resistor in series with an
    orange-orange-orange-gold resistor produces: 
     a) 5k5                        b) 35,200 ohms
     b) 55k                        c) None of the above 

14. To obtain a higher value of resistance, resistors are 
    connected in:
     a) Reverse                    b) Forward
     c) Parallel                   d) Series  

15. A capacitor and coil in parallel is called: 
     a) A Tuned Circuit            b) A Timing Circuit
     c) A Delay Circuit            d) A Schmitt Circuit 

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16. What is 1,000p? 
     a) 0.01n                      b) 0.0001u
     c) 0.1n                       d) 1n 

17. The current in a circuit is 45mA. This is: 
     a) 0.045Amp                   b) 0.00045A
     c) 0.0045A                    d) 0.45A 

18. A 100n capacitor can be expressed as: 
     a) 0.1u                       b) 0.01u
     c) 0.001u                     d) none of the above 

19. 1mA is equal to: 
     a) 0.001A                     b) 0.00001A
     c) 0.01A                      d) 0.1A 

20. 1,200mV is equal to: 
     a) 12v                        b) 1.2v
     c) 0.12v                      d) 0.0012v 

21. If a 10k resistor is placed across a 10v supply, the current will be: 
     a) 10mA                       b) 1mA
     c) 0.01mA                     d) 0.1mA 

22. The current requirement of a LED is: 
     a) 1.7mA                      b) 25mA
     c) Between 3 and 35mA         d) 65mA 

23. A DC voltage . . . 
     a) rises and falls            b) is a sinewave
     c) remains constant           d) is an audio waveform 

24. A CRO is a 
     a) Cathode Ray Oscillator     b) Cathode Ray Oscilloscope
     c) Capacitor-Resistor Output  d) Capacitor-Resistor Oscillator

25. Arrange these in ascending order:  n, p, u   
      a) p, u, n,                  b) n, u, p
      c) p, n, u

26. What are the 2 terminals of a diode called? 
      a) Pentode and Triode        b) Anode and Cathode
      c) Drain and Source          d) Gate and Drain 

27. How many diodes are in a single-phase full wave bridge rectifier? 
      a) 4                         b) 3
      c) 2                         d) 8 

28. Name the terminals of an FET. 
      a) Drain, Gate, Source       b) Pentode, Anode, Source
      c) Triode, Pentode, Cathode  d) Emitter, Base, Collector 

29. Which device can be used to store charge? 
      a) Transistor                b) Diode
      c) Capacitor                 d) Resistor 

30. Blue is what number on the resistor color code? 
      a) 4                         b) 6
      c) 2                         d) 1 


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ANSWERS:
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 1) b.                2) c.                3) d.
 4) a.                5) a.                6) d.
 7) b.                8) c.                9) c.
10) b.               11) b.               12) b.
13) b.               14) d.               15) a.
16) d.               17) a.               18) a.
19) a.               20) b.               21) b.
22) c.               23) c.               24) b.
25) c.               26) b.               27) a
28) a.               29) c.               30) b.