E0A08: What does SAR measure?

Synthetic Aperture Ratio of the human body

Signal Amplification Rating

The rate of RF energy reflected from stationary terrain

E1A02: When using a transceiver that displays the carrier frequency of phone signals, which of the following displayed frequencies represents the lowest frequency at which a properly adjusted LSB emission will be totally within the band?

The exact lower band edge

300 Hz above the lower band edge

1 kHz above the lower band edge

E1B10: What frequencies are authorized to an amateur station participating in RACES?

Specific segments in the amateur service MF, HF, VHF and UHF bands

Specific local government channels

Military Affiliate Radio System (MARS) channels

E1C01: What is a remotely controlled station?

A station operated away from its regular home location

A station controlled by someone other than the licensee

A station operating under automatic control

E1D09: Which amateur service UHF bands have frequencies available for a space station?

70 cm

70 cm and 33 cm

33 cm and 13 cm

E1E04: Which of the following best describes the Volunteer Examiner accreditation process?

Each General, Advanced and Amateur Extra Class operator is automatically accredited as a VE when the license is granted

The amateur operator applying must pass a VE examination administered by the FCC Enforcement Bureau

The prospective VE obtains accreditation from the FCC

E1F06: What is the National Radio Quiet Zone?

An area in Puerto Rico surrounding the Aricebo Radio Telescope

An area in New Mexico surrounding the White Sands Test Area

An area in Florida surrounding Cape Canaveral

E2A13: What type of satellite appears to stay in one position in the sky?

HEO

Geomagnetic

LEO

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

E2C04: On which of the following frequencies is an amateur radio contest contact generally discouraged?

3.525 MHz

14.020 MHz

28.330 MHz

E2D08: Which of the following types of packet frames is used to transmit APRS beacon data?

Disconnect

Acknowledgement

Connect

E2E09: Which of the following HF digital modes uses variable-length coding for bandwidth efficiency?

RTTY

PACTOR

MT63

E3A08: When a meteor strikes the Earth's atmosphere, a cylindrical region of free electrons is formed at what layer of the ionosphere?

The F1 layer

The F2 layer

The D layer

E3B02: What is the approximate maximum range for signals using transequatorial propagation?

1000 miles

2500 miles

7500 miles

E3C09: Which of the following is usually responsible for causing VHF signals to propagate for hundreds of miles?

D-region absorption

Faraday rotation

Ground wave

E4A05: Which of the following test instruments is used to display intermodulation distortion products in an SSB transmission?

A wattmeter

A logic analyzer

A time-domain reflectometer

E4B03: If a frequency counter with a specified accuracy of +/- 1.0 ppm reads 146,520,000 Hz, what is the most the actual frequency being measured could differ from the reading?

165.2 Hz

14.652 kHz

1.4652 MHz

E4C01: What is an effect of excessive phase noise in the local oscillator section of a receiver?

It limits the receiver's ability to receive strong signals

It reduces receiver sensitivity

It decreases receiver third-order intermodulation distortion dynamic range

E4D13: Which of the following can cause receiver desensitization?

Audio gain adjusted too low

Audio bias adjusted too high

Squelch gain misadjusted

E4E03: Which of the following signals might a receiver noise blanker be able to remove from desired signals?

Signals which are constant at all IF levels

Signals which appear at one IF but not another

Signals which have a sharply peaked frequency distribution

E5A04: What is the magnitude of the impedance of a circuit with a resistor, an inductor and a capacitor all in parallel, at resonance?

Approximately equal to inductive reactance

Low, as compared to the circuit resistance

Approximately equal to capacitive reactance

E5B12: What is the phase angle between the voltage across and the current through a series RLC circuit if XC is 75 ohms, R is 100 ohms, and XL is 50 ohms?

76 degrees with the voltage lagging the current

14 degrees with the voltage leading the current

76 degrees with the voltage leading the current

E5C06: In polar coordinates, what is the impedance of a network consisting of a 100-ohm-reactance capacitor in series with a 100-ohm resistor?

121 ohms at an angle of -25 degrees

191 ohms at an angle of -85 degrees

161 ohms at an angle of -65 degrees

E5D01: What is the result of skin effect?

As frequency decreases, RF current flows in a thinner layer of the conductor, closer to the surface

Thermal effects on the surface of the conductor increase the impedance

Thermal effects on the surface of the conductor decrease the impedance

E6A07: In Figure E6-1, what is the schematic symbol for a PNP transistor?

2

4

5

E6B04: What type of semiconductor device is designed for use as a voltage-controlled capacitor?

Tunnel diode

Silicon-controlled rectifier

Zener diode

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

12 volts

1.5 volts

13.6 volts

E6D02: Exceeding what design rating can cause a cathode ray tube (CRT) to generate X-rays?

The heater voltage

The operating temperature

The operating frequency

E6E10: What is the equivalent circuit of a quartz crystal?

Motional capacitance, motional inductance, loss resistance, and a capacitor representing electrode and stray capacitance all in parallel

Motional capacitance, motional inductance, loss resistance, and a capacitor represent electrode and stray capacitance all in series

Motional inductance and loss resistance in series, paralleled with motional capacitance and a capacitor representing electrode and stray capacitance

E6F03: What is the most common configuration of an optoisolator or optocoupler?

A lens and a photomultiplier

A frequency modulated helium-neon laser

An amplitude modulated helium-neon laser

E7A01: Which of the following is a bistable circuit?

An "AND" gate

An "OR" gate

A clock

E7B10: In Figure E7-1, what is the purpose of R1 and R2?

Load resistors

Self bias

Feedback

E7C09: What type of digital signal processing filter might be used to generate an SSB signal?

An adaptive filter

A notch filter

An elliptical filter

E7D05: Which of the following types of linear voltage regulator places a constant load on the unregulated voltage source?

A constant current source

A series regulator

A shunt current source

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

E7F03: What is the function of a decade counter digital IC?

It decodes a decimal number for display on a seven-segment LED display

It produces ten output pulses for every input pulse

It adds two decimal numbers together

E7G04: Which of the following is a type of capacitor best suited for use in high-stability op-amp RC active filter circuits?

Electrolytic

Disc ceramic

Paper

E7H15: Which of these functions can be performed by a phase-locked loop?

Wide-band AF and RF power amplification

Comparison of two digital input signals, digital pulse counter

Photovoltaic conversion, optical coupling

E8A07: What determines the PEP-to-average power ratio of a single-sideband phone signal?

The frequency of the modulating signal

The degree of carrier suppression

The amplifier gain

E8B12: What is digital time division multiplexing?

Two or more data streams are assigned to discrete sub-carriers on an FM transmitter

Two or more data streams share the same channel by transmitting time of transmission as the sub-carrier

Two or more signals are quadrature modulated to increase bandwidth efficiency

E8C13: What is one advantage of using JT-65 coding?

Uses only a 65 Hz bandwidth

Easily copied by ear if necessary

Permits fast-scan TV transmissions over narrow bandwidth

E8D12: What is the peak voltage of a sinusoidal waveform if an RMS-reading voltmeter reads 34 volts?

123 volts

96 volts

55 volts

E9A11: Which of the following choices is a way to improve the efficiency of a ground-mounted quarter-wave vertical antenna?

Isolate the coax shield from ground

Shorten the radiating element

Reduce the diameter of the radiating element

E9B03: In the antenna radiation pattern shown in Figure E9-1, what is the front-to-side ratio?

12 dB

18 dB

24 dB

E9C01: What is the radiation pattern of two 1/4-wavelength vertical antennas spaced 1/2-wavelength apart and fed 180 degrees out of phase?

A cardioid

Omnidirectional

A figure-8 broadside to the axis of the array

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

Lower Q

Greater structural strength

Higher losses

E9E11: What is an effective way of matching a feed line to a VHF or UHF antenna when the impedances of both the antenna and feed line are unknown?

Use a 50-ohm 1:1 balun between the antenna and feed line

Connect a series-resonant LC network across the antenna feed terminals

Connect a parallel-resonant LC network across the antenna feed terminals

E9F12: What impedance does a 1/4-wavelength transmission line present to a generator when the line is open at the far end?

The same as the characteristic impedance of the line

The same as the input impedance to the generator

Very high impedance

E9G08: What is the process of normalization with regard to a Smith chart?

Reassigning resistance values with regard to the reactance axis

Reassigning reactance values with regard to the resistance axis

Reassigning prime center with regard to the reactance axis

E9H07: Why is it advisable to use an RF attenuator on a receiver being used for direction finding?

It narrows the bandwidth of the received signal to improve signal to noise ratio

It compensates for the effects of an isotropic antenna, thereby improving directivity

It reduces loss of received signals caused by antenna pattern nulls, thereby increasing sensitivity