Radio theory .frequency is defined as the ? [ Candidate takeoff ]

Question 26-1 : Number of cycles occurring in one second in a radio wave expressed in hertz hz minimum number of cycles occurring in one minute in a radio wave expressed in hertz hz maximum deflection in a radio wave expressed in hertz hz length of a radio wave expressed as an angle

Radio theory .wavelength is defined as the ?

Question 26-2 : Physical distance travelled by a radio wave during one cycle of transmission maximum variation of an oscillation distance travelled by a radio wave in one second number of oscillations per second

Radio theory .the mix of an electromagnetic wave with another is called ?

Question 26-3 : Interference diffraction refraction reflection

Radio theory .the phenomenon of a change in direction of an radio wave em wave ?

Question 26-4 : Refraction absorption diffraction attenuation

Radio theory .the phenomenon by which wave energy bends around a permeable ?

Question 26-5 : Diffraction refraction attenuation absorption

Radio theory .vhf very high frequency waves appear in the frequency spectrum ?

Question 26-6 : 30 mhz 300 mhz 3 mhz 30 mhz 300 mhz 3000 mhz 3 ghz 30 ghz

Radio theory .when the fading damping of a radio wave is so important that no ?

Question 26-7 : Absorption diffraction refraction reflection

Radio theory .to double the effective range of a radio transmission the power ?

Question 26-8 : 4 2 8 16

Radio theory .'fading' is ?

Question 26-9 : Interference between surface wave and sky wave disappearance of the layer d at dusk reflection of waves on the ionosphere an abnormal increase in the amplitude of electromagnetic waves

Radio theory .radio waves travel at ?

Question 26-10 : The speed of light the speed of sound a speed depending on the type of the electromagnetic waves a speed just below the speed of sound

Radio theory .radio waves travel at a speed of ?

Question 26-11 : 300000 km/s 30000 km/s 300000 m/s 3000000 m/s

Radio theory .a radio signal looses strength as range from the transmitter ?

Question 26-12 : Attenuation refraction propagation ducting

Radio theory .an electromagnetic wave has two types of energy field ?

Question 26-13 : An e electrical field and h magnetic field an h electrical field and an e magnetic field a z electrical field and an h magnetic field a z magnetic field and an e electrical field

Radio theory .an electromagnetic wave consists of an oscillating electric field ?

Question 26-14 : The e and h fields are perpendicular to each other a dipole antenna can only transmit field h the h field is parallel to the wire and field e is perpendicular to the wire when ac current pass through the antenna fields e and h are parallel

Radio theory .an electromagnetic wave consists of an oscillating electric field ?

Question 26-15 : The speed of light the speed of sound for field e and the speed of light for field h the speed of light for field e and the speed of sound for field h the speed of sound