Related InterviewSolutions

• Find the HPBW of the uniform rectangular aperture antenna with 4λ×2λ in the E-plane?(a) 0.443(b) 0.886(c) 0.25(d) 0.5This question was posed to me in an internship interview.My question is from Aperture Antenna topic in portion Aperture Antenna of Antennas
• The first null beam width in the E-plane of a rectangular aperture of a×b is given by _______________(a) 2sin^-1⁡(λ/b)(b) sin^-1⁡(λ/a)(c) 2sec^-1⁡(λ/b)(d) 2cos^-1⁡(λ/a)The question was posed to me in an online quiz.My question is taken from Aperture Antenna in chapter Aperture Antenna of Antennas
• Half-power Beamwidth is given by ____(a) 70λ/D(b) 70D/λ(c) 35λ/D(d) 35D/λThis question was addressed to me in semester exam.The origin of the question is Aperture Antenna topic in section Aperture Antenna of Antennas
• The relation between directivity and the effective aperture of the uniform aperture antenna is given by _____(a) \(D = \frac{4\pi}{\lambda^2}A_{eff}\)(b) \(A_{eff} = \frac{4\pi}{\lambda^2}D\)(c) \(A_{eff} = \frac{4\pi\lambda^2}{D}\)(d) \(D = \frac{4\pi\lambda^2}{A_{eff}}\)This question was addressed to me in class test.My question is from Radiation from Rectangular Aperture in division Aperture Antenna of Antennas
• Which of the following antenna belongs to rectangular aperture?(a) Horn antenna(b) Helical antenna(c) Parabolic antenna(d) Conical antennaThis question was addressed to me during a job interview.The origin of the question is Radiation from Rectangular Aperture in chapter Aperture Antenna of Antennas
• Equivalence principle is mainly used for far filed analysis of the antenna in outer region.(a) True(b) FalseI got this question during an internship interview.I want to ask this question from Uniform Aperture Field in portion Aperture Antenna of Antennas
• Which of the following principle is used for analysis of aperture antennas?(a) Equivalence principle(b) Friss Equation(c) Reflectivity(d) DiffractionThe question was posed to me by my school principal while I was bunking the class.This intriguing question comes from Uniform Aperture Field in portion Aperture Antenna of Antennas
• The total pattern function for rectangular aperture f(x, y) if f(x) and f(y) are separable is given by ____(a) f(x, y)=f(x) f(y)(b) f(x, y)=f(x)+f(y)(c) f(x, y)=f(x)/f(y)(d) f(x, y)=f(x)-f(y)The question was posed to me during an online exam.I would like to ask this question from Radiation from Rectangular Aperture topic in division Aperture Antenna of Antennas
• Tapering is done in order to reduce the side lobe level.(a) True(b) FalseThis question was addressed to me in an online quiz.This intriguing question originated from Radiation from Rectangular Aperture topic in division Aperture Antenna of Antennas
• For aperture antenna to be efficient and have high directivity, its area should be ____________(a) ≥ λ^2(b) ≥ 1/λ(c) ≤ λ^2(d) ≤ λThis question was addressed to me at a job interview.My enquiry is from Uniform Aperture Field in section Aperture Antenna of Antennas