Related InterviewSolutions

• For a feeder length of 0.5λ, which among the following would be the director length?(a) 0.525λ(b) 0.455λ(c) 0.493λ(d) 0.55λThis question was addressed to me in final exam.My query is from Construction of Yagi topic in portion Folded Dipole & Yagi – Uda Antenna of Antennas
• If length of the reflector, driven element, director islr, lde, ld, respectively then the order in the increasing order of their lengths is _____(a) lr, lde, ld(b) ld, lde, lr(c) lde, lr, ld(d) lr, lde, ldeI had been asked this question in a job interview.Enquiry is from Construction of Yagi topic in section Folded Dipole & Yagi – Uda Antenna of Antennas
• Which of the following causes the shortening effect on multi conductor folded dipole?(a) Only thickness of conductors(b) Space between conductors(c) Radiation resistance of the dipole(d) Both the radii and radiation resistanceThis question was addressed to me in quiz.This key question is from Folded Dipole Antenna in section Folded Dipole & Yagi – Uda Antenna of Antennas
• For a multi conductor folded dipole with n conductors, the impedance is ____ Ω.(a) 2^n Z(b) nZ(c) n^2Z(d) Z/nI had been asked this question in quiz.This intriguing question comes from Folded Dipole Antenna in division Folded Dipole & Yagi – Uda Antenna of Antennas
• What is the input impedance of a half wave folded dipole?(a) 73Ω(b) 292Ω(c) 146Ω(d) 36.5ΩThe question was asked by my school principal while I was bunking the class.This intriguing question originated from Folded Dipole Antenna in section Folded Dipole & Yagi – Uda Antenna of Antennas
• A Yagi-Uda antenna is ____(a) Only a super directive antenna(b) Only a super gain antenna(c) Both super directive and super gain(d) Neither super directive nor super gainThe question was asked in unit test.This is a very interesting question from Yagi in chapter Folded Dipole & Yagi – Uda Antenna of Antennas
• A narrow beam-width is obtained through a large number of directors.(a) True(b) FalseI had been asked this question in a job interview.My question is from Yagi in portion Folded Dipole & Yagi – Uda Antenna of Antennas
• In which of the following bands Yagi-Uda antenna operates?(a) HF-UFH(b) VLF-MF(c) LF-HF(d) UHF-EHFI had been asked this question in an online quiz.My doubt is from Yagi in section Folded Dipole & Yagi – Uda Antenna of Antennas
• Which of the following will add the field of the driven element and will excite the next parasitic element to increase the gain of the antenna?(a) Director(b) Reflector(c) Active element(d) BoomI got this question in a national level competition.My question comes from Yagi topic in portion Folded Dipole & Yagi – Uda Antenna of Antennas
• The dipole to which the power is applied directly from the feeder in the Yagi-Uda antenna is called as _____(a) Director(b) Reflector(c) Driven element(d) BoomThis question was posed to me by my college director while I was bunking the class.My doubt stems from Yagi in division Folded Dipole & Yagi – Uda Antenna of Antennas