1. Technician Licensing Class
Electrons Go With the Flow!
Valid July 1, 2014
Through
June 30, 2018 1

2. Amateur Radio Technician Class Element 2 Course Presentation
ELEMENT 2 SUB-ELEMENTS (Groupings)
About Ham Radio
Call Signs
Control
Mind the Rules
Tech Frequencies
Your First Radio
Going On The Air!
Repeaters
Emergency!
Weak Signal Propagation 2

3. Amateur Radio Technician Class Element 2 Course Presentation
ELEMENT 2 SUB-ELEMENTS (Groupings)
Talk to Outer Space!
Your Computer Goes Ham Digital!
Multi-Mode Radio Excitement
Run Some Interference Protection
Electrons – Go With the Flow!
It’s the Law, per Mr. Ohm!
Go Picture These!
Antennas
Feed Me With Some Good Coax!
Safety First! 3

4. Electrons – Go With the Flow!
The electrical term for the electromotive force (EMF) that causes electron flow is voltage. T5A05
The basic unit of electromotive force is voltage. T5A11
The instrument used to measure electric potential or electromotive force is the voltmeter. T7D01
The correct way to connect a voltmeter to a circuit is in parallel with the circuit. T7D02 4

5. Electrons – Go With the Flow!
These battery types are rechargeable:
Nickel-metal hydride;
Lithium-ion;
Lead-acid gel-cell
All of these choices are correct. T6A10
This type of battery is not rechargeable: Carbon-zinc. T6A11 5

6. Electrons – Go With the Flow!
A mobile transceiver usually requires 12 volts. T5A06
The negative return connection of a mobile transceiver power cable should be connected at the battery or engine block ground strap. T4A11
The name for the flow of electrons in an electric circuit is current. T5A03
The instrument used to measure electric current is an ammeter. T7D04 6

7. Electrons – Go With the Flow!
An ammeter is usually connected to a circuit in series with the circuit. T7D03
Electrical current is measured in amperes. T5A01
Copper is a good electrical conductor. T5A07
The name for a current that reverses direction on a regular basis is alternating current. T5A09 7

8. Electrons – Go With the Flow!
The device or circuit that changes an alternating current in to a varying direct current signal is the rectifier. T6D01
The name for a current that flows only in one direction is called direct current. T5A04
9 Volt battery
AAA battery
Motor cycle battery
Hand held battery 8

9. Electrons – Go With the Flow!
The electronic component that allows current to flow in only one direction is the diode. T6B02
The two electrodes of a diode are the Anode and Cathode. T6B09
The cathode lead of a semiconductor diode is usually identified with a stripe. T6B06 9

10. Electrons – Go With the Flow!
The electrical component used to oppose the flow of current in a DC circuit is the resistor. T6A01
The instrument used to measure resistance is the ohmmeter. T7D05
The component often used as an adjustable volume control is the potentiometer. T6A02
The electrical parameter controlled by a potentiometer is resistance. T6A03 10

11. Electrons – Go With the Flow!
A good electrical insulator is glass. T5A08
The electrical component that stores energy in a magnetic field is an inductor. T6A06
The electrical component usually composed of a coil of wire is an inductor. T6A07
The ability to store energy in a magnetic field is called Inductance. T5C03 11

12. Electrons – Go With the Flow!
The basic unit of inductance is the henry. T5C04
Impedance is a measure of the opposition to AC current flow in a circuit. T5C12
The unit of impedance is the ohm. T5C13
The ability to store energy in an electric field is called capacitance. T5C01 12

13. Electrons – Go With the Flow!
The basic unit of capacitance is the farad. T5C02
The electrical component that stores energy in an electric field is the capacitor. T6A04
The type of electrical component that consists of two or more conductive surfaces separated by an insulator is a capacitor. T6A05

14. Electrons – Go With the Flow!
The electrical component used to connect or disconnect electrical circuits is the switch. T6A08
The electrical component used to protect other circuit components from current overload is the fuse. T6A09
The component that can be used as an electronic switch or amplifier is the transistor. T6B03
The class of electronic components that are capable of using a voltage or current signals to control current flow are transistors. T6B01

15. Electrons – Go With the Flow!
The transistor is an electronic component that can amplify signals. T6B05
The term that describes a transistor’s ability to amplify a signal is gain. T6B12
The three electrodes of a PNP or NPN transistor are emitter, base, and collector. T6B10
The component made from three layers of semiconductor material is the transistor. T6B04

16. Electrons – Go With the Flow!
The abbreviation FET stands for field effect transistor. T6B08
The three electrodes of a field effect transistor are source, gate, and drain. T6B11

17. Element 2 Technician Class Question Pool Electrons Go With the Flow!
Valid July 1, 2014
Through
June 30, 2018

18. T5A05. What is the electrical term for the electromotive
T5A05 What is the electrical term for the electromotive force (EMF) that causes electron flow?
Voltage
Ampere-hours
Capacitance
Inductance

19. T5A11 What is the basic unit of electromotive force?
The volt
The watt
The ampere
The ohm

20. T7D01. Which instrument would you use to measure
T7D01 Which instrument would you use to measure electric potential or electromotive force?
An ammeter
A voltmeter
A wavemeter
An ohmmeter

21. T7D02 What is the correct way to connect a voltmeter to a circuit?
In series with the circuit
In parallel with the circuit
In quadrature with the circuit
In phase with the circuit

22. T6A10 Which of the following battery types is rechargeable?
Nickel-metal hydride
Lithium-ion
Lead-acid gel-cell
All of these choices are correct

23. T6A11 Which of the following battery types is not rechargeable?
Nickel-cadmium
Carbon-zinc
Lead-acid
Lithium-ion

24. T5A06 How much voltage does a mobile transceiver usually require?
About 12 volts
About 30 volts
About 120 volts
About 240 volts

25. T4A11. Where should the negative return
T4A11 Where should the negative return connection of a mobile transceiver’s power cable be connected?
At the battery or engine block ground strap
At the antenna mount
To any metal part of the vehicle
Through the transceiver’s mounting bracket

26. T5A03. What is the name for the flow of electrons in
T5A03 What is the name for the flow of electrons in an electric circuit?
Voltage
Resistance
Capacitance
Current

27. T7D04 Which instrument is used to measure electric current?
An ohmmeter
A wavemeter
A voltmeter
An ammeter

28. T7D03 How is an ammeter usually connected to a circuit?
In series with the circuit
In parallel with the circuit
In quadrature with the circuit
In phase with the circuit

29. T5A01 Electrical current is measured in which of the following units?
Volts
Watts
Ohms
Amperes

30. T5A07 Which of the following is a good electrical conductor?
Glass
Wood
Copper
Rubber

31. T5A09. What is the name for a current that reverses
T5A09 What is the name for a current that reverses direction on a regular basis?
Alternating current
Direct current
Circular current
Vertical current

32. T6D01. Which of the following devices or circuits
T6D01 Which of the following devices or circuits changes an alternating current into a varying direct current signal?
Transformer
Rectifier
Amplifier
Reflector

33. T5A04 What is the name for a current that flows only in one direction?
Alternating current
Direct current
Normal current
Smooth current

34. T6B02. What electronic component allows current to
T6B02 What electronic component allows current to flow in only one direction?
Resistor
Fuse
Diode
Driven element

35. T6B09 What are the names of the two electrodes of a diode?
Plus and minus
Source and drain
Anode and cathode
Gate and base

36. T6B06 How is cathode lead of a semiconductor diode usually identified?
With the word cathode
With a stripe
With the letter C
All of these choices are correct

37. T6A01. What electrical component is used to oppose the
T6A01 What electrical component is used to oppose the flow of current in a DC circuit?
Inductor
Resistor
Voltmeter
Transformer

38. T7D05 What instrument is used to measure resistance?
An oscilloscope
A spectrum analyzer
A noise bridge
An ohmmeter

39. T6A02. What type of component is often used as an
T6A02 What type of component is often used as an adjustable volume control?
Fixed resistor
Power resistor
Potentiometer
transformer

40. T6A03 What electrical parameter is controlled by a potentiometer?
Inductance
Resistance
Capacitance
Field strength

41. T5A08 Which of the following is a good electrical insulator?
Copper
Glass
Aluminum
Mercury

42. T6A06. What type of electrical component stores energy
T6A06 What type of electrical component stores energy in a magnetic field?
Resistor
Capacitor
Inductor
Diode

43. T6A07 What electrical component is usually composed of a coil of wire?
Switch
Capacitor
Diode
Inductor

44. T5C03 What is the ability to store energy in a magnetic field called?
Admittance
Capacitance
Resistance
Inductance

45. T5C04 What is the basic unit of inductance?
The coulomb
The farad
The henry
The ohm

46. T5C12 What is meant by the term impedance?
It is a measure of the opposition to AC current flow in a circuit
It is the inverse of resistance
It is a measure of the Q or Quality Factor of a component
It is a measure of the power handling capability of a component

47. T5C13 What are the units of impedance?
Volts
Amperes
Coulombs
Ohms

48. T5C01 What is the ability to store energy in an electric field called?
Inductance
Resistance
Tolerance
Capacitance

49. T5C02 What is the basic unit of capacitance?
The farad
The ohm
The volt
The henry

50. T6A04 What electrical component stores energy in an electric field?
Resistor
Capacitor
Inductor
Diode

51. T6A05. What type of electrical component consists of two
T6A05 What type of electrical component consists of two or more conductive surfaces separated by an insulator?
Resistor
Potentiometer
Oscillator
Capacitor

52. T6A08. What electrical component is used to
T6A08 What electrical component is used to connect or disconnect electrical circuits?
Magnetron
Switch
Thermistor
All of these choices are correct

53. T6A09. What electrical component is used to protect
T6A09 What electrical component is used to protect other circuit components from current overloads?
Fuse
Capacitor
Inductor
All of these choices are correct

54. T6B03. Which of these components can be used as an
T6B03 Which of these components can be used as an electronic switch or amplifier?
Oscillator
Potentiometer
Transistor
Voltmeter

55. T6B01. What class of electronic components is capable
T6B01 What class of electronic components is capable of using a voltage or current signal to control current flow?
Capacitors
Inductors
Resistors
Transistors

56. T6B05. Which of the following electronic components
T6B05 Which of the following electronic components can amplify signals?
Transistor
Variable resistor
Electrolytic capacitor
Multi-cell battery

57. T6B12. What is the term that describes a
T6B12 What is the term that describes a transistor's ability to amplify a signal?
Gain
Forward resistance
Forward voltage drop
On resistance

58. T6B10 What are the three electrodes of a PNP or NPN transistor?
Emitter, base, and collector
Source, gate, and drain
Cathode, grid, and plate
Cathode, drift cavity, and collector

59. T6B04. Which of the following components can be made
T6B04 Which of the following components can be made of three layers of semiconductor material?
Alternator
Transistor
Triode
Pentagrid converter

60. T6B08 What does the abbreviation FET stand for?
Field Effect Transistor
Fast Electron Transistor
Free Electron Transition
Field Emission Thickness

61. T6B11 What at are the three electrodes of a field effect transistor?
Emitter, base, and collector
Source, gate, and drain
Cathode, grid, and plate
Cathode, gate, and anode