Electromagnetic Field Theory The main purpose of choke is to pass high frequencies. to pass low frequencies. none of above. to block low frequencies. to pass high frequencies. to pass low frequencies. none of above. to block low frequencies. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is Omnidirectional A figure of directional Highly directional None of these Omnidirectional A figure of directional Highly directional None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in which of the following? TV broadcast All of these Point-to-point communication Radio astronomy TV broadcast All of these Point-to-point communication Radio astronomy ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is highest in periods of greatest sunspot activity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will initially increase and then decrease. remain the same. decrease. increase. initially increase and then decrease. remain the same. decrease. increase. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Any of the above Horizontal suspended wire type Parabolic reflector type Vertical grounded wire type Any of the above Horizontal suspended wire type Parabolic reflector type Vertical grounded wire type ANSWER DOWNLOAD EXAMIANS APP