Element 3

1. Series Circuit- type of circuit that has its junctions connected side by side

2. Parallel Circuit- type of circuit that has its junctions connected at a common point

3. Greek letter “µ”- symbol used to denote “micro” in measurements

4. K- symbol used to denote “kilo” in measurements

5. M- symbol used to denote “mega” in measurements

6. m -symbol used to denote “milli” in measurements

7. G- symbol used to denote “giga” in measurements

8. Copper- good conductor of electricity

9. Rubber- good insulator of electricity

10. Battery- good source of DC power supply

11. Voltmeter- device or instrument is used to measure voltage in a circuit

12. Ammeter- device or instrument is used to measure current in a circuit

13. Current- electric value remains constant in a series circuit

14. Voltage- electric value remains constant in a parallel circuit

15. 77 mega-ohms- value of the resistor having the color bands as follows: violet-violet-blue-
no color

16. 120 kilo-ohms- value of the resistor having the color bands as follows: brown-red-
yellow-no color

17. 300 ohms- value of the resistor having the color bands as follows: orange-black-red-no
color

18. 470 Mega-ohms- value of the resistor having the color bands as follows: yellow- violet-
violet-no color

19. Voltage = Power/ Current- the formula to determine the voltage given the values for
POWER and CURRENT

20. Resistance = Voltage/ Current- the formula to determine the resistance given the values
of the Voltage and Current

21. Inductance value- electrical value concluded if one reads 77 henry on a component

22. If one sees a plus (+) sign on a terminal of a battery, the polarity of the terminal is
Positive

23. 48 Watts- total power dissipated by a load resistor supplied by 48 V source and having a
total current of 1 A flow through it
24. 5 V- the voltage across a load dissipating 15 W of power and consumes 3 A of current

25. 0.333A- the current flowing through a load having a 12 V measurement across it and
dissipates 4 W of power

26. Resistor- component where you can commonly find the resistance value in a circuit

27. Inductor - component where you can commonly find the inductance value in a circuit

28. Capacitor- component where you can commonly find the capacitance value in a circuit

29. 3 MHz – 30 MHz- included in the high frequency range

30. 30 MHz – 300 MHz- included in the very high frequency range

31. 300 MHz – 3000 MHz- included in the ultra high frequency range

32. 1 ohm- the value of the resistor having the color bands as follows: black-brown-black-no
color

33. 50 ohms- the value of the resistor having the color bands as follows: green-black-black-
no color

34. 88 kilo-ohms- the value of the resistor having the color bands as follows: gray-gray-
orange-no color

35. 99 ohms- the value of the resistor having the color bands as follows: white-white-black-
no color

36. 55 kilo-ohms- the value of the resistor having the color bands as follows: green-green-
orange-no color

37. 470 ohms- the value of the resistor having the color bands as follows: red-red-brown-no
color

38. Plus sign (+)- symbol denotes the positive polarity of a battery

39. Minus sign (-)- symbol denotes the negative polarity of a battery

40. Red- wire color often connects to a positive polarity of a battery source

41. Black- wire color often connects to a negative polarity of a battery source

42. Switch- component used to turn a circuit on or off

43. Alternating Current- meaning of A.C in electricity

44. Direct Current- meaning of D.C in electricity

45. Current value- electrical value that can be concluded if one reads 5 amperes on a
component

46. 30 mH- the total inductance of 3 inductors connected in series with the following values:
3mH, 5 mH and 22 mH

47. 10 mH- the total inductance of the 2 inductors – valued at 20 mH each and are
connected in parallel
48. Watt- unit of Power

49. Hertz- unit of Frequency

50. V- symbol used to denote voltage

51. I- symbol used to denote current

52. Ω- symbol used to denote resistance

53. UHF- where the Amateur Radio frequency 430 MHz – 440 MHz belongs

54. 1000 milli-volt- another way of writing 1 V

55. H- unit symbol used to denote inductance

56. Inductor- component in a schematic diagram is represented by capital letter “L”

57. Capacitor- component in a schematic diagram is represented by capital letter “C”

58. Resistor- component in a schematic diagram is represented by capital letter “R”

59. Maximum- measure of a current flow in a condition of series resonance

60. Coil- best device for storing energy in a magnetic field

61. Inductance- coil’s ability to store magnetic energy.

62. An ideal voltage source should have Zero Internal Resistance

63. Tantalum- not a type of resistor

64. 30 Hz – 30 KHz- frequency band that is considered as audio frequency

65. Reactance- the opposition to the current due to storage of energy