E0A06: Why are there separate electric (E) and magnetic (H) field MPE limits?

The body reacts to electromagnetic radiation from both the E and H fields

Ground reflections and scattering make the field impedance vary with location

E field and H field radiation intensity peaks can occur at different locations

E1A10: If an amateur station is installed aboard a ship or aircraft, what condition must be met before the station is operated?

The amateur station operator must agree to not transmit when the main ship or aircraft radios are in use

It must have a power supply that is completely independent of the main ship or aircraft power supply

Its operator must have an FCC Marine or Aircraft endorsement on his or her amateur license

E1B11: What is the permitted mean power of any spurious emission relative to the mean power of the fundamental emission from a station transmitter or external RF amplifier installed after January 1, 2003, and transmitting on a frequency below 30 MHZ?

At least 53 dB below

At least 63 dB below

At least 73 dB below

E1C08: What is the maximum permissible duration of a remotely controlled station's transmissions if its control link malfunctions?

30 seconds

5 minutes

10 minutes

E1D01: What is the definition of the term telemetry?

Two-way radiotelephone transmissions in excess of 1000 feet

Two-way single channel transmissions of data

One-way transmission that initiates, modifies, or terminates the functions of a device at a distance

E1E07: What should a VE do if a candidate fails to comply with the examiner's instructions during an amateur operator license examination?

Warn the candidate that continued failure to comply will result in termination of the examination

Allow the candidate to complete the examination, but invalidate the results

Immediately terminate everyones examination and close the session

E1F10: What is the maximum transmitter power for an amateur station transmitting spread spectrum communications?

1 W

1.5 W

1.5 kW

E2A06: On what band would a satellite receive signals if it were operating in mode U/V?

144-146 MHz

50.0-50.2 MHz

29.5 to 29.7 MHz

E2B13: How many lines are commonly used in each frame on an amateur slow-scan color television picture?

30 to 60

60 or 100

180 or 360

E2C11: How should you generally identify your station when attempting to contact a DX station working a pileup or in a contest?

Send only the last two letters of your call sign until you make contact

Send your full call sign and grid square

Send the call sign of the DX station three times, the words this is, then your call sign three times

E2D02: What is the definition of baud?

The number of characters transmitted per second

The number of characters transmitted per minute

The number of words transmitted per minute

E2E11: What is the difference between direct FSK and audio FSK?

Audio FSK has a superior frequency response

Direct FSK uses a DC-coupled data connection

Audio FSK can be performed anywhere in the transmit chain

E3A05: Which of the following describes a method of establishing EME contacts?

Storing and forwarding digital messages

Judging optimum transmission times by monitoring beacons from the Moon

High speed CW identification to avoid fading

E3B01: What is transequatorial propagation?

Propagation between any two points located on the magnetic equator

Propagation between two continents by way of ducts along the magnetic equator

Propagation between two stations at the same latitude

E3C13: What type of polarization is best for ground-wave propagation?

Horizontal

Circular

Elliptical

E4A01: How does a spectrum analyzer differ from an oscilloscope?

A spectrum analyzer measures ionospheric reflection; an oscilloscope displays electrical signals

A spectrum analyzer displays the peak amplitude of signals; an oscilloscope displays the average amplitude of signals

A spectrum analyzer displays radio frequencies; an oscilloscope displays audio frequencies

E4B10: Which of the following describes a method to measure intermodulation distortion in an SSB transmitter?

Modulate the transmitter with two non-harmonically related radio frequencies and observe the RF output with a spectrum analyzer

Modulate the transmitter with two harmonically related audio frequencies and observe the RF output with a peak reading wattmeter

Modulate the transmitter with two harmonically related audio frequencies and observe the RF output with a logic analyzer

E4C04: What is the definition of the noise figure of a receiver?

The ratio of atmospheric noise to phase noise

The noise bandwidth in Hertz compared to the theoretical bandwidth of a resistive network

The ratio of thermal noise to atmospheric noise

E4D07: Which of the following describes the most significant effect of an off-frequency signal when it is causing cross-modulation interference to a desired signal?

A large increase in background noise

A reduction in apparent signal strength

The desired signal can no longer be heard

E4E12: What is one disadvantage of using some types of automatic DSP notch-filters when attempting to copy CW signals?

Any nearby signal passing through the DSP system will overwhelm the desired signal

Received CW signals will appear to be modulated at the DSP clock frequency

Ringing in the DSP filter will completely remove the spaces between the CW characters

E5A03: What is the magnitude of the impedance of a series RLC circuit at resonance?

High, as compared to the circuit resistance

Approximately equal to capacitive reactance

Approximately equal to inductive reactance

E5B03: The capacitor in an RC circuit is discharged to what percentage of the starting voltage after two time constants?

86.5%

63.2%

36.8%

E5C20: Which point in Figure E5-2 best represents the impedance of a series circuit consisting of a 300 ohm resistor and an 18 microhenry inductor at 3.505 MHz?

Point 1

Point 7

Point 8

E5D02: Why is the resistance of a conductor different for RF currents than for direct currents?

Because the insulation conducts current at high frequencies

Because of the Heisenburg Effect

Because conductors are non-linear devices

E6A05: What is the alpha of a bipolar junction transistor?

The change of collector current with respect to base current

The change of base current with respect to collector current

The change of collector current with respect to gate current

E6B09: What is a common use for point contact diodes?

As a constant current source

As a constant voltage source

As a high voltage rectifier

E6C01: What is the recommended power supply voltage for TTL series integrated circuits?

12 volts

1.5 volts

13.6 volts

E6D03: Which of the following is true of a charge-coupled device (CCD)?

Its phase shift changes rapidly with frequency

It is a CMOS analog-to-digital converter

It is used in a battery charger circuit

E6E04: What is the most common input and output impedance of circuits that use MMICs?

300 ohms

450 ohms

10 ohms

E6F11: Which of the following is the approximate open-circuit voltage produced by a fully-illuminated silicon photovoltaic cell?

0.1 V

1.5 V

12 V

E7A08: What logical operation does an OR gate perform?

It produces a logic "0" at its output if all inputs are logic "1"

It only produces a logic "0" at its output when all inputs are logic "1"

It produces a logic "1" at its output if all inputs are logic "0"

E7B02: What is a Class D amplifier?

A low power amplifier using a differential amplifier for improved linearity

An amplifier using drift-mode FETs for high efficiency

A frequency doubling amplifier

E7C02: A T-network with series capacitors and a parallel shunt inductor has which of the following properties?

It is a low-pass filter

It is a band-pass filter

It is a notch filter

E7D11: What is the purpose of R1 in the circuit shown in Figure E7-3?

It provides a constant load to the voltage source

It couples hum to D1

It bypasses hum around D1

E7E10: How does a diode detector function?

By breakdown of the Zener voltage

By mixing signals with noise in the transition region of the diode

By sensing the change of reactance in the diode with respect to frequency

E7F10: What alternate method of determining frequency, other than by directly counting input pulses, is used by some counters?

GPS averaging

Prescaling

D/A conversion

E7G01: What primarily determines the gain and frequency characteristics of an op-amp RC active filter?

The values of capacitors and resistors built into the op-amp

The input voltage and frequency of the op-amp's DC power supply

The output voltage and smoothness of the op-amp's DC power supply

E7H04: How is positive feedback supplied in a Colpitts oscillator?

Through a tapped coil

Through link coupling

Through a neutralizing capacitor

E8A13: What is an advantage of using digital signals instead of analog signals to convey the same information?

Less complex circuitry is required for digital signal generation and detection

Digital signals always occupy a narrower bandwidth

All of these choices are correct

E8B04: What is the modulation index of an FM-phone signal having a maximum carrier deviation of plus or minus 6 kHz when modulated with a 2-kHz modulating frequency?

6000

2000

1/3

E8C01: Which one of the following digital codes consists of elements having unequal length?

ASCII

AX.25

Baudot

E8D04: What is the PEP output of a transmitter that develops a peak voltage of 30 volts into a 50-ohm load?

4.5 watts

16 watts

18 watts

E9A04: Why would one need to know the feed point impedance of an antenna?

To measure the near-field radiation density from a transmitting antenna

To calculate the front-to-side ratio of the antenna

To calculate the front-to-back ratio of the antenna

E9B02: In the antenna radiation pattern shown in Figure E9-1, what is the front-to-back ratio?

36 dB

24 dB

14 dB

E9C11: How is the far-field elevation pattern of a vertically polarized antenna affected by being mounted over seawater versus rocky ground?

The low-angle radiation decreases

The high-angle radiation increases

Both the high- and low-angle radiation decrease

E9D09: What is an advantage of using top loading in a shortened HF vertical antenna?

Lower Q

Greater structural strength

Higher losses

E9E06: 3-element Yagi?

Pi network

Pi-L network

Parallel-resonant tank

E9F05: What is the approximate physical length of a solid polyethylene dielectric coaxial transmission line that is electrically one-quarter wavelength long at 14.1 MHz?

20 meters

2.3 meters

0.2 meters

E9G03: Which of the following is often determined using a Smith chart?

Beam headings and radiation patterns

Satellite azimuth and elevation bearings

Trigonometric functions

E9H02: What is the effective radiated power relative to a dipole of a repeater station with 200 watts transmitter power output, 4-dB feed line loss, 3.2-dB duplexer loss, 0.8-dB circulator loss and 10-dBd antenna gain?

2000 watts

126 watts

300 watts