The electric field is perpendicular to the Earth C. The phase is inverted D. The phase is reversed, T9A03 Which of the following describes a simple dipole mounted so the conductor is parallel to the Earth's surface? To honor a deceased relative who was a radio amateur C. For operations in conjunction with an activity of special significance to the amateur community D. All of these choices are correct, T8C07 What is the maximum power allowed when transmitting telecommand signals to radio controlled models? A. plus 500 kHz B. plus or minus 600 kHz C. minus 500 kHz D. Only plus 600 kHz, T2A02 What is the national calling frequency for FM simplex operations in the 70 cm band? A. Resistance (R) equals voltage (E) multiplied by current (I) B. A. A. The farad B. A. KMA3505 B. W3ABC C. KDKA D. 11Q1176, T1C03 What types of international communications are permitted by an FCC-licensed amateur station? At the speed of sound C. Its speed is inversely proportional to its wavelength D. Its speed increases as the frequency increases, T3B05 How does the wavelength of a radio wave relate to its frequency? A. About 30 volts C. About 120 volts D. About 240 volts, T5A07 Which of the following is a good electrical conductor? Too much current from the power supply C. Interference caused by very strong signals D. Interference caused by turning the volume up too high, T7B03 Which of the following may be a cause of radio frequency interference? A. Echolocation B. Doppler radar C. Radio direction finding D. Phase locking, T8C02 Which of these items would be useful for a hidden transmitter hunt? A. A. A station in an Amateur Radio Service consisting of the apparatus necessary for carrying on radio communications B. Communications incidental to conducting business or remarks of a personal nature C. Only communications incidental to contest exchanges, all other communications are prohibited D. Any communications that would be permitted on an international broadcast station, T1C04 When are you allowed to operate your amateur station in a foreign country? A bright or shiny surface C. A grainy or dull surface D. A greenish tint, T7D10 What is probably happening when an ohmmeter, connected across a circuit, initially indicates a low resistance and then shows increasing resistance with time? Signal strength and noise C. Impedance and reactance D. Voltage and resistance, T7D08 Which of the following types of solder is best for radio and electronic use? Power (P) equals voltage (E) divided by current (I) C. Power (P) equals voltage (E) minus current (I) D. Power (P) equals voltage (E) plus current (I), T5C09 How much power is being used in a circuit when the applied voltage is 13.8 volts DC and the current is 10 amperes? A. A gateway B. A. A. 1 microfarad C. 1000 microfarads D. 1,000,000,000 microfarads, T5B09 What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts? A. A. Resistance (R) equals voltage (E) divided by current (I) C. Resistance (R) equals voltage (E) added to current (I) D. Resistance (R) equals voltage (E) minus current (I), T5D04 What is the resistance of a circuit in which a current of 3 amperes flows through a resistor connected to 90 volts? A. A. Variable capacitor B. It matches the antenna system impedance to the transceiver's output impedance B. A. ARRL Ham Radio License Manual 3rd Edition This document displays the Technicians question pool in a Question and Answer format. D. Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character Study material for this question can be found in the following resources: KB6NU's No-Nonsense Technician-Class License Study Guide It cannot be used for VHF or UHF antennas C. It requires special techniques to prevent water absorption D. It cannot be used at below freezing temperatures, T7D01 Which instrument would you use to measure electric potential or electromotive force? In parallel with the circuit C. In quadrature with the circuit D. In phase with the circuit, T7D04 Which instrument is used to measure electric current? A. A. Receiver Input Tone B. Receiver Incremental Tuning C. Rectifier Inverter Test D. Remote Input Transmitter, T4B08 What is the advantage of having multiple receive bandwidth choices on a multimode transceiver? Local electrical codes C. FAA tower lighting regulations D. Underwriters Laboratories' recommended practices, T0C01 What type of radiation are VHF and UHF radio signals? By informing the FCC of any changes made in your station B. Relocate antennas B. It has less loss than any other type of feedline C. It can handle more power than any other type of feedline D. It is less expensive than any other types of feedline, T9B04 What does an antenna tuner do? A. Capacitors B. Inductors C. Resistors D. Transistors, T6B02 What electronic component allows current to flow in only one direction? A. Sound waves C. Radio waves D. Pressure waves, T5C08 What is the formula used to calculate electrical power in a DC circuit? Two years B. A. Transistor B. A. Choose the correct DSC tone C. Access the repeater autopatch D. Use the keypad to transmit the IRLP node ID, T8C11 What name is given to an amateur radio station that is used to connect other amateur stations to the Internet? The satellite is performing a Lunar Ejection Orbit maneuver C. The satellite is in a Low Earth Orbit D. The satellite uses Light Emitting Optics, T8B11 What is a commonly used method of sending signals to and from a digital satellite? Gain B. Change mode of transmission C. Report the interference to the equipment manufacturer D. Check your transmitter for off-frequency operation or spurious emissions, T2B08 What is the proper course of action if your station's transmission unintentionally interferes with another station? A. Potentiometer B. Transistor C. Meter D. Relay, T6D05 What type of circuit controls the amount of voltage from a power supply? From within any country that belongs to the International Telecommunications Union B. A. A. A. A. Use three-wire cords and plugs for all AC powered equipment B. Connect all AC powered station equipment to a common safety ground C. Use a circuit protected by a ground-fault interrupter D. All of these choices are correct, T0A07 Which of these precautions should be taken when installing devices for lightning protection in a coaxial cable feedline? An oscilloscope B. A. Frequency Coordinator C. FCC Regional Field Office D. International Telecommunications Union, T1A09 Who selects a Frequency Coordinator? Alternating current B. A. A. From within any country that is a member of the United Nations C. From anywhere within in ITU Regions 2 and 3 D. From any vessel or craft located in international waters and documented or registered in the United States, T1C07 What may result when correspondence from the FCC is returned as undeliverable because the grantee failed to provide the correct mailing address? The alternator C. The electric fuel pump D. Anti-lock braking system controllers, T4A11 Where should a mobile transceiver's power negative connection be made? A. Remote C. Automatic D. Unattended, T1E11 Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?