Kraus et al. The bandwidth of antenna is, A thin dipole antenna is  λ/15 long. Increase in radio spectrum b. The object is 120 km from the radar and its scattering cross section is 8 m2, Que: The magnitude of the incident electric field intensity of the object is, Que: The magnitude of the scattered electric field at the radar is, A transmitting antenna with a 300 MHz carrier frequency produces 2 kW of power. Using different antennas d. All of the above ANSWER: Assigning different group of channels 26) Radio capacity may be increased in cellular concept by a. One of the following consists of nonresonant antennas: 3. The signal pattern from a directional antenna has a cigar shape, and looks the same from the top as from the sides. ungrounded antennas, if an excitation is applied directly across the base insulator, then on which factor/s would the voltage across the insulator depend? 2. Learn Satellite Communication MCQ questions & answers are available for a Electrical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. a. This mock test of Antennas - MCQ Test for Railways helps you for every Railways entrance exam. In Broad side array antennas are fed in phase δ = 0, where as in end fire arrays the antenna elements are fed out of phase i.e. Home >> Category >> Electronic Engineering (MCQ) questions & answers >> Antenna Parameters 1) Self impedance of an antenna is basically _____ a. The standard reference antenna for the directive gain is the, 12. These antennas are usually flat and are used mainly in very high frequencies, therefore are ideal for use in mobile, military and security applications. Consider the point P(10, 30o,90o). Dr.V.Thrimurthulu Lecture Notes Antenna & Wave Propagation CREC Dept. Directional Antennas Directional antennas send and receive signals in one direction only, usually in a tightly focused, very narrow beam. 9. RF Cafe Quiz #51: Antennas and Site Engineering for Mobile Radio Networks RF Cafe Quiz #50: Microstrip Lines and Slotlines RF Cafe Quiz #49: High-Frequency Integrated Circuits RF Cafe Quiz #48: Introduction to Infrared and 5) o parabolic reflectors, corner reflectors o These are high gain antennas usually used in radio 17. Top loading is sometimes used with an antenna in order to increase its, 13. This mock test of Antennas - MCQ Test for Railways helps you for every Railways entrance exam. Electric field b. These objective type Antenna & Wave Propagation questions are very important for campus placement test, semester exams, job interviews and competitive exams like GATE, IES, PSU, NET/SET/JRF, UPSC … 36236362 Mcq Antenna Antenna Radio Polarization Waves. This contains 15 Multiple Choice Questions for Railways Antennas - MCQ Test (mcq) to study with solutions a complete question bank. a. A Hertizian dipole at the origin in free space has dl = 10 cm and I = 20 cos (2π x 107t) A. This contains 15 Multiple Choice Questions for Railways Antennas - MCQ Test (mcq) to study with solutions a complete question bank. Indicate which of the following reasons for using a counterpoise with antenna is false: a. Impossibility of a good ground connection, b. Protection of personnel working underground. One of the following is not an omnidirectional antenna: P Microwave Engineering Multiple Choice Questions and Answers for competitive exams. These short ANTENNAS AND WAVE PROPAGATION 2015 U N I T W I S E B I T B A N K –K . MCQ quiz on Antenna and Wave Propagation multiple choice questions and answers on antenna and wave propagation MCQ questions quiz on antenna and wave propagation objectives questions with answer test pdf. 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