Related InterviewSolutions

• If beam efficiency is 0.87 then the stray factor is ____(a) 1.87(b) 0.13(c) 1.30(d) 0.87I got this question in an international level competition.This intriguing question comes from First Null Beam Width in section Antenna Beam Width & Input Impedance of Antennas
• What is the Beam area in radians when the HPBW in perpendicular planes are given by 60°, 30°?(a) \(\frac{\pi^2}{8}\)(b) \(\frac{\pi}{2}\)(c) \(\frac{\pi^2}{18}\)(d) 2This question was addressed to me by my school teacher while I was bunking the class.The question is from Half Power Beam Width topic in chapter Antenna Beam Width & Input Impedance of Antennas
• Find the directivity when the half power beam widths are 45° and 60° in perpendicular planes.(a) 12.58(b) 17.98(c) 22.91(d) 15.28The question was asked during an internship interview.This interesting question is from Half Power Beam Width in portion Antenna Beam Width & Input Impedance of Antennas
• Beam width is the measure of directivity of antenna in terms of angles either radians or degrees.(a) True(b) FalseThis question was addressed to me in an interview for internship.The query is from Half Power Beam Width in section Antenna Beam Width & Input Impedance of Antennas
• Beam area and directivity are related as _____(a) \(D=\frac{2\pi}{B}\)(b) \(D=\frac{4\pi}{B}\)(c) \(D=\frac{B}{2\pi}\)(d) \(D=\frac{B}{4\pi}\)I have been asked this question in a job interview.My question comes from Half Power Beam Width in section Antenna Beam Width & Input Impedance of Antennas
• Relation between beam efficiency and stray factor is given by ____(a) ∈B+∈s=1(b) ∈B-∈s=1(c) \(\frac{\in_B}{\in_s}=1\)(d) ∈B+∈s=2The question was asked during a job interview.This intriguing question comes from First Null Beam Width in chapter Antenna Beam Width & Input Impedance of Antennas
• If the antennas revolution time is 10 sec and 3 dB beam width duration is 150ms then the antenna beam width is _______(a) 5.4°(b) 54°(c) 15°(d) 1.5°I had been asked this question in an online interview.I want to ask this question from First Null Beam Width topic in section Antenna Beam Width & Input Impedance of Antennas
• If the HPBW is 30° then FNBW is approximately _____(a) 60°(b) 30°(c) 15°(d) 20°The question was posed to me during an online interview.My question is taken from First Null Beam Width in chapter Antenna Beam Width & Input Impedance of Antennas
• Total beam area is sum of major and minor lobe areas.(a) True(b) FalseI got this question in an internship interview.My enquiry is from First Null Beam Width in chapter Antenna Beam Width & Input Impedance of Antennas
• Half-power beam width is also called as 6-db beam width.(a) True(b) FalseThis question was addressed to me by my college professor while I was bunking the class.Question is taken from Half Power Beam Width in chapter Antenna Beam Width & Input Impedance of Antennas