E0A10: What material found in some electronic components such as high-voltage capacitors and transformers is considered toxic?

Polyethylene

Polytetrafluroethylene

Polymorphic silicon

E1A05: What is the maximum power output permitted on the 60 meter band?

50 watts PEP effective radiated power relative to an isotropic radiator

50 watts PEP effective radiated power relative to a dipole

100 watts PEP effective radiated power relative to an isotropic radiator

E1B06: Which of the following additional rules apply if you are installing an amateur station antenna at a site at or near a public use airport?

No special rules apply if your antenna structure will be less than 300 feet in height

You must file an Environmental Impact Statement with the EPA before construction begins

You must obtain a construction permit from the airport zoning authority

E1C06: Which of the following statements concerning remotely controlled amateur stations is true?

Only Extra Class operators may be the control operator of a remote station

A control operator need not be present at the control point

Repeater and auxiliary stations may not be remotely controlled

E1D10: Which amateur stations are eligible to be telecommand stations?

Any amateur station designated by NASA

Any amateur station so designated by the ITU

All of these choices are correct

E1E01: What is the minimum number of qualified VEs required to administer an Element 4 amateur operator license examination?

5

2

4

E1F08: Which of the following types of amateur station communications are prohibited?

Communications that have a political content, except as allowed by the Fairness Doctrine

Communications that have a religious content

Communications in a language other than English

E2A05: What do the letters in a satellite's mode designator specify?

Power limits for uplink and downlink transmissions

The location of the ground control station

The polarization of uplink and downlink signals

E2B19: What special operating frequency restrictions are imposed on slow scan TV transmissions?

None; they are allowed on all amateur frequencies

They are restricted to 7.245 MHz, 14.245 MHz, 21.345, MHz, and 28.945 MHz

They are not permitted above 54 MHz

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

3.525 MHz

14.020 MHz

28.330 MHz

E2D04: What is the purpose of digital store-and-forward functions on an Amateur Radio satellite?

To upload operational software for the transponder

To delay download of telemetry between satellites

To relay messages between satellites

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

RTTY

PACTOR

MT63

E3A01: What is the approximate maximum separation measured along the surface of the Earth between two stations communicating by Moon bounce?

500 miles, if the Moon is at perigee

2000 miles, if the Moon is at apogee

5000 miles, if the Moon is at perigee

E3B08: What type of HF propagation is probably occurring if radio signals travel along the terminator between daylight and darkness?

Transequatorial

Sporadic-E

Long-path

E3C11: From the contiguous 48 states, in which approximate direction should an antenna be pointed to take maximum advantage of aurora propagation?

South

East

West

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

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

E4C05: What does a value of -174 dBm/Hz represent with regard to the noise floor of a receiver?

The minimum detectable signal as a function of receive frequency

The noise figure of a 1 Hz bandwidth receiver

The galactic noise contribution to minimum detectable signal

E4D05: What transmitter frequencies would cause an intermodulation-product signal in a receiver tuned to 146.70 MHz when a nearby station transmits on 146.52 MHz?

146.88 MHz and 146.34 MHz

146.10 MHz and 147.30 MHz

173.35 MHz and 139.40 MHz

E4E11: Which of the following is the most likely cause if you are hearing combinations of local AM broadcast signals within one or more of the MF or HF ham bands?

The broadcast station is transmitting an over-modulated signal

You are receiving sky wave signals from a distant station

Your station receiver IF amplifier stage is defective

E5A15: What is the resonant frequency of a series RLC circuit if R is 56 ohms, L is 40 microhenrys and C is 200 picofarads?

3.76 MHz

11.18 MHz

22.36 MHz

E5B09: What is the relationship between the current through a capacitor and the voltage across a capacitor?

Voltage and current are in phase

Voltage and current are 180 degrees out of phase

Voltage leads current by 90 degrees

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

E6A15: Which of the following semiconductor materials contains an excess of holes in the outer shell of electrons?

N-type

Superconductor-type

Bipolar-type

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

E6C06: Why do CMOS digital integrated circuits have high immunity to noise on the input signal or power supply?

Larger bypass capacitors are used in CMOS circuit design

The input switching threshold is about two times the power supply voltage

Input signals are stronger

E6D01: What is cathode ray tube (CRT) persistence?

The time it takes for an image to appear after the electron beam is turned on

The relative brightness of the display under varying conditions of ambient light

The ability of the display to remain in focus under varying conditions

E6E09: Which of the following must be done to insure that a crystal oscillator provides the frequency specified by the crystal manufacturer?

Provide the crystal with a specified parallel inductance

Bias the crystal at a specified voltage

Bias the crystal at a specified current

E6F07: What is a solid state relay?

A relay using transistors to drive the relay coil

A mechanical relay that latches in the on or off state each time it is pulsed

A passive delay line

E7A05: Which of the following is a circuit that continuously alternates between two states without an external clock?

Monostable multivibrator

J-K flip-flop

T flip-flop

E7B12: What type of circuit is shown in Figure E7-1?

Switching voltage regulator

Linear voltage regulator

Emitter follower amplifier

E7C12: Which of the following describes a Pi-L network used for matching a vacuum-tube final amplifier to a 50-ohm unbalanced output?

A Phase Inverter Load network

A network with only three discrete parts

A matching network in which all components are isolated from ground

E7D17: What is the primary reason that a high-frequency inverter type high-voltage power supply can be both less expensive and lighter in weight than a conventional power supply?

The inverter design does not require any output filtering

It uses a diode bridge rectifier for increased output

It uses a large power-factor compensation capacitor to create "free power" from the unused portion of the AC cycle

E7E05: What circuit is added to an FM transmitter to boost the higher audio frequencies?

A de-emphasis network

A heterodyne suppressor

An audio prescaler

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

E7G10: What absolute voltage gain can be expected from the circuit in Figure E7-4 when R1 is 1800 ohms and RF is 68 kilohms?

1

0.03

76

E7H08: What is a Gunn diode oscillator?

An oscillator based on the argon gas diode

A highly stable reference oscillator based on the tee-notch principle

A highly stable reference oscillator based on the hot-carrier effect

E8A04: What is equivalent to the root-mean-square value of an AC voltage?

The AC voltage found by taking the square of the average value of the peak AC voltage

The DC voltage causing the same amount of heating in a given resistor as the corresponding peak AC voltage

The AC voltage found by taking the square root of the average AC value

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

E8C11: What spread-spectrum communications technique uses a high speed binary bit stream to shift the phase of an RF carrier?

Frequency hopping

Binary phase-shift keying

Phase compandored spread-spectrum

E8D14: Which of the following is a typical value for the peak-to-peak voltage at a standard U.S. household electrical outlet?

240 volts

120 volts

170 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

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

36 dB

24 dB

14 dB

E9C05: What are the disadvantages of a terminated rhombic antenna for the HF bands?

The antenna has a very narrow operating bandwidth

The antenna produces a circularly polarized signal

The antenna is more sensitive to man-made static than any other type

E9D12: What is one advantage of using a trapped antenna?

It has high directivity in the higher-frequency bands

It has high gain

It minimizes harmonic radiation

E9E02: What is the name of an antenna matching system that matches an unbalanced feed line to an antenna by feeding the driven element both at the center of the element and at a fraction of a wavelength to one side of center?

The delta match

The epsilon match

The stub match

E9F09: What is the approximate physical length of a solid polyethylene dielectric coaxial transmission line that is electrically one-quarter wavelength long at 7.2 MHz?

10 meters

24 meters

50 meters

E9G04: What are the two families of circles and arcs that make up a Smith chart?

Resistance and voltage

Reactance and voltage

Voltage and impedance

E9H12: What is an advantage of using a shielded loop antenna for direction finding?

It automatically cancels ignition noise pickup in mobile installations

It eliminates tracking errors caused by strong out-of-band signals

It allows stations to communicate without giving away their position