Group T3B

A They travel at different speeds B They are in parallel C They revolve in opposite directions D They are at right angles

A The orientation of the electric field B The orientation of the magnetic field C The ratio of the energy in the magnetic field to the energy in the electric field D The ratio of the velocity to the wavelength

A Impedance and reactance B Voltage and current C Electric and magnetic fields D Ionizing and non-ionizing radiation

A Speed of light B Speed of sound C 0.86 times the speed of light D 1.86 times the speed of sound

A Wavelength gets longer as frequency increases B Wavelength gets shorter as frequency increases C Wavelength is constant at all frequencies D Wavelength and frequency increase as path length increases

A Wavelength in meters equals frequency in hertz multiplied by 300 B Wavelength in meters equals frequency in hertz divided by 300 C Wavelength in meters equals frequency in megahertz divided by 300 D Wavelength in meters equals 300 divided by frequency in megahertz

A The approximate wavelength in meters B Traditional letter/number designators C Channel numbers D All these choices are correct

A 30 kHz to 300 kHz B 30 MHz to 300 MHz C 300 kHz to 3000 kHz D 300 MHz to 3000 MHz

A 30 to 300 kHz B 30 to 300 MHz C 300 to 3000 kHz D 300 to 3000 MHz

A 300 to 3000 MHz B 30 to 300 MHz C 3 to 30 MHz D 300 to 3000 kHz

A 150,000,000 meters per second B 300,000,000 meters per second C 300,000,000 miles per hour D 150,000,000 miles per hour

A Microwaves B UHF C VHF D All radio frequencies travel at the same velocity