This set of Antenna Parameters Questions and Answers for Experienced people focuses on “Friis Transmission Equation”. 1. Friss transmission is applicable when same antenna is used for both transmission and reception. a) True b) False 2. What is the distance between antennas to apply the Friss transmission equation in terms of antennas largest dimension? a) … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Antenna Bandwidth”. 1. Relation between Quality factor, Bandwidth, and resonant frequency is _________ a) b) c) Q = BW×f0 d) 2. What is the Bandwidth of the antenna operating at resonant frequency 200MHz with Quality factor 20? a) 10Hz b) 5MHz c) 10MHz … Read more
This set of Antenna Parameters Interview Questions and Answers for freshers focuses on “Radiation Resistance”. 1. What is the radiation resistance of an antenna if it radiates 1kW and current in it is Irms=10A? a) 0.1Ω b) 1Ω c) 10Ω d) 100Ω 2. What is the radiation resistance of an antenna if input power to … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Effective Aperture”. 1. Effective aperture is the ability of antenna to extract energy from the electromagnetic wave. a) True b) False 2. Which of the following best describes the condition for Maximum effective aperture? a) Load impedance must be equal to the antenna … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Directivity”. 1. The ratio of maximum power density in the desired direction to the average power radiated from the antenna is called as _______ a) directivity b) directive gain c) power gain d) partial directivity 2. What is the Beam area for Directivity … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Power Gain”. 1. The ratio of power radiated in a particular direction to the total input power of antenna is called as _____ a) Directive gain b) Power gain c) Directivity d) Partial directivity 2. What is the maximum power gain of antenna … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Directive Gain”. 1. For an isotropic antenna, the average power Pav can be expressed in terms of radiated power Pr as ____ a) Pav=Pr/4π b) Pav=Pr/2πr2 c) Pav=Pr/2π d) Pav=Pr/4πr2 2. Directive gain is defined as a measure of concentration of power in … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Isotropic Radiators”. 1. An ideal source in which the power is radiated equally in all directions is called as ________ radiator. a) Isotropic b) Omni-directional c) Directional d) Transducer 2. In Isotropic radiation, which of the following vector component is absent in pointing … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Radiation Pattern”. 1. Units of radiation intensity is _______ a) Watts/unit Solid angle b) Watts/m2 c) Watts- m2 d) Watts 2. The graphical representation of the radiation properties of the antenna as a function of space coordinates is called Radiation pattern. a) True … Read more
This set of Antennas Multiple Choice Questions & Answers (MCQs) focuses on “Antenna Characteristics”. 1. A linear antenna having length less than λ/8 is called as _______ a) Short monopole b) Short dipole c) Half-wave dipole d) Quarter-wave monopole 2. Find the power radiated by an antenna whose radiation resistance is 100Ω and operating with … Read more
