This set of Antennas Problems focuses on “Radio Wave Propagation – Reflection Factor for Parallel Propagation”. 1. The reflection factor is given by the ratio of ____________ a) Reflected wave to incident wave b) Incident wave to reflected wave c) Sum of reflected and incident waves to difference of reflected and incident waves d) Difference … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Radio Wave Propagation – Field strength”. 1. The field strength due to space wave propagation is E=____ a) b) c) d) 2. The path difference given by two-ray model is ___ a) b) c) d) 3. The field strength of the wave at … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Radio Wave Propagation – Ground Wave Propagation”. 1. Ground wave is always __________ polarized. a) Vertically b) Horizontally c) Either vertical or horizontal d) Neither horizontal nor vertical 2. Ground wave propagation is used for signals up to frequency __________ a) 2MHz b) … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Radio Wave Propagation – Structure of Ionosphere”. 1. At what height the Ionosphere lies above the earth surface? a) 70-400km b) 2-15km c) 20-70km d) Above 400km 2. Which of the following is the nearest Ionospheric layer to the earth surface? a) D … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Radio Wave Propagation – Structure of Troposphere”. 1. What is the frequency used for tropospheric scatter propagation? a) Above 30GHz b) Above 30MHz c) Above 300MHz d) Above 300GHz 2. Which of the following scattering occurs through the fine layers in the troposphere? … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Radio Wave Propagation – Structure of Atmosphere”. 1. Which of the following is the lowest layer of atmosphere? a) Troposphere b) Stratosphere c) Ionosphere d) Outer atmosphere 2. What is the range of the region of calm from the earth surface? a) 20- … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Radio Wave Propagation – Modes of Propagation”. 1. Up to which frequency the ground wave propagation is used? a) 2MHz b) 2GHz c) 30MHz d) 30GHz 2. In a ground wave propagation, which component of electric field is short circuited when it’s in … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Near Field and Far Field”. 1. The region greater than in an antenna with largest dimension D is called _____ a) Far field region b) Near filed region c) Radiative Field d) Reactive Field 2. Which of the following is known as Non … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Spectrum Analyzer”. 1. Spectrum Analyzer is time domain instrument. a) True b) False 2. Which of the following instrument measures the amplitude and phase of the signal? a) Network analyzer b) Spectrum analyzer c) Oscilloscope d) Klystron 3. Which of the following is … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Standing Wave Ratio Method”. 1. Which of the following statement is true? a) Standing waves occur when mismatches occurs b) Standing waves occur when no mismatches occurs c) Minimum value of SWR is 0 d) Maximum value of SWR is 1 2. Relation … Read more
