FCC Novice Exam Question Pool. Subelement 2E. Electrical Principals. 4 Questions. One (1) question must be from the following: ------------------------------------------------ 2E 1.1 A Electrons will flow in a copper wire when its two ends are connected to what kind of source? A. Electromotive or Voltage. B. Donor. C. Reactive. D. Resistive. 2E 1.2 D The pressure in a water pipe is comparable to what force in an electrical circuit? A. Current. B. Resistive. C. Gravitational. D. Voltage. 2E 1.3 C What are the two polarities of a voltage? A. Right-Hand and Left-Hand. B. Forward and Reverse. C. Positive and Negative. D. Clockwise and Counterclockwise. 2E 2.2 B What type of current changes direction over and over again in a cyclical manner? A. Direct Current. B. Alternating Current. C. Negative Current. D. Positive Current. 2E 2.3 C What is a type of electrical current called that does not periodically reverse direction? A. Alternating Current. B. Periodic Current. C. Direct Current. D. Positive Current. 2E 3.1 A List at least four good electrical insulating materials. A. Glass, Air, Plastic, Porcelain. B. Glass, Wood, Copper, Porcelain. C. Paper, Glass, Air, Aluminum. D. Plastic, Rubber, Wood, Carbon. 2E 3.2 C List at least three good electrical conductors. A. Copper, Gold, Mica. B. Gold, Silver, Wood. C. Gold, Silver, Aluminum. D. Copper, Aluminum, Paper. 2E 3.3 C What is the term for the lowest voltage that will cause current in an insulator? A. Avalanche Voltage. B. Plate Voltage. C. Breakdown Voltage. D. Zener Voltage. One (1) question must be from the following: ------------------------------------------------ 2E 4.1 D What is the term for a failure in an electrical circuit that causes excessively high current? A. Open Circuit. B. Dead Circuit. C. Closed Circuit. D. Short Circuit. 2E 4.2 C What is the term for an electrical circuit in which there can be no current flow? A. A Closed Circuit. B. A Short Circuit. C. An Open Circuit. D. A Hyper Circuit. 2E 5.1 A What is consumed when a voltage is applied to a circuit causing an electrical current to flow? A. Energy. B. Volts. C. Amps. D. Electrons. 2E 6.1 B What is the approximate length, in meters, of a radio wave having a frequency of 3.725 MHz.? A. 160 meters. B. 80 meters. C. 40 meters. D. 30 meters. 2E 6.2 A What is the relationship between frequency and wavelength? A. As frequency increases, wavelength decreases. B. As frequency increases, wavelength increases. C. Frequency and wavelength are not related. D. As frequency decreases, wavelength decreases. 2E 6.3 C What is the approximate length, in meters, of a radio wave having a frequency of 21.120 MHz.? A. 80 meters. B. 40 meters. C. 15 meters. D. 10 meters. 2E 7.1 A What is the difference between radio frequencies and audio frequencies? A. Audio frequencies are those below 20,000 Hz., and Radio frequencies are those above 20,000 Hz. B. Audio frequencies are those below 50,000 Hz., and Radio frequencies are those above 50,000 Hz. C. Audio frequencies are those below 10,000 Hz., and Radio frequencies are those above 10,000 Hz. D. Audio frequencies are those above 20,000 Hz., and Radio frequencies are those below 20,000 Hz. 2E 7.2 D What type of frequency is 3,500,000 Hertz? A. An Audio Frequency. B. A Microwave Frequency. C. An Intermediate Frequency. D. A Radio Frequency. 2E 7.3 C Radio frequencies are those above what frequency? A. 20 Hz. B. 2000 Hz. C. 20,000 Hz. D. 2,000,000 Hz. One (1) question must be from the following: ------------------------------------------------ 2E 8.1 A What type of frequency is 350 Hz.? A. An Audio frequency. B. A Microwave frequency. C. An Intermediate frequency. D. A Radio frequency. 2E 8.2 D Audio frequencies are those below what frequency? A. 10 Hz. B. 20 Hz. C. 10,000 Hz. D. 20,000 Hz. 2E 8.3 A What type of frequency is 3,500 Hertz? A. Audio frequency. B. Radio frequency. C. Hyper frequency. D. Super High frequency. 2E 9.1 A What is the unit of Electromotive Force? A. Ampere. B. Volt. C. Ohm. D. Watt. 2E 10.1 C What is the unit of Electrical Current? A. Volt. B. Watt. C. Ampere. D. Ohm. 2E 11.1 B What is the unit of Electrical Power? A. Ohm. B. Watt. C. Volt. D. Ampere. 2E 12.1 C What is a HERTZ? A. A unit of measure of Current. B. A unit of measure of Capacitance. C. A unit of measure of Frequency. D. A unit of measure of Power. 2E 12.2 A What is another popular term for HERTZ? A. Cycles per Second. B. Frequency per Wavelength. C. Wavelength per Cycle. D. Meters per Frequency. One (1) question must be from the following: ------------------------------------------------ 2E 13.1 A A frequency of 40,000 Hertz is equal to how many kilohertz? A. 40 B. 4 C. 400 D. 0.04 2E 13.2 C A current of 20 millionths of an ampere is equal to how many microamperes? A. 0.2 B. 2 C. 20 D. 200 2E 13.3 C A current of 2000 milliamperes is equivalent to how many amperes? A. 0.002 B. 0.2 C. 2 D. 2000 2E 13.4 A What do the prefixes MEGA- and CENTI- mean? A. 1,000,000 and 0.01 B. 1,000,000 and 1,000,000,000 C. 0.000,001 and 0.001 D. 0.000,001 and 0.000,000,000,001 2E 13.5 D What do the prefixes MICRO- and PICO- mean? A. 1,000,000 and 1,000 B. 1,000,000 and 1,000,000,000 C. 0.000,001 and 0.001 D. 0.000,001 and 0.000,000,000,001 2E 13.6 A Your receiver dial is calibrated in Megahertz and shows a signal at 1200 MHz. At what frequency would a dial calibrated in Gigahertz show the signal? A. 1.2 GHz. B. 12 GHz. C. 120 GHz. D. 1200 GHz. 2E 13.7 D Your receiver dial is calibrated in Gigahertz and shows a signal at 1.27 GHz. At what frequency would a dial calibrated in Megahertz show the signal? A. 1.27 MHz. B. 12.7 MHz. C. 127 MHz. D. 1270 MHz. 2E 13.8 D Your receiver dial is calibrated in Megahertz and shows a signal at 223.9 MHz. At what frequency would a dial calibrated in Kilohertz show the signal? A. 0.223 KHz. B. 2239 KHz. C. 22,390 KHz. D. 223,900 KHz. ------------------------------------------------ End of Subelment 2E.