Frequency Independent Antenna - Log Periodic Antenna Introduction Online Exam Quiz
Frequency Independent Antenna - Log Periodic Antenna Introduction GK Quiz. Question and Answers related to Frequency Independent Antenna - Log Periodic Antenna Introduction. MCQ (Multiple Choice Questions with answers about Frequency Independent Antenna - Log Periodic Antenna Introduction
Drawbacks of the normal mode of radiation in helical antenna are ___
Options
A : low radiation efficiency and narrow bandwidth
B : high radiation efficiency and narrow bandwidth
C : low radiation efficiency and Broad bandwidth
D : high radiation efficiency and broad bandwidth
In which of the following mode the dimensions of the antenna must be smaller compared to the wavelength?
Options
A : Normal mode
B : Axial mode
C : Beam mode
D : End-fire mode
In which of the following mode, the radiation is perpendicular to the axis of helical antenna?
Options
A : Normal mode
B : Axial mode
C : Beam mode
D : End-fire mode
Which of the following expression is correct?
Options
A : \frac{L_N}{L_{N+1}} = \frac{S_N}{S_{N+1}} = ?
B : \frac{L_N}{L_{N+1}} = \frac{S_{N+1}}{S_N} = ?
C : \frac{L_N}{L_{N+1}} = \frac{S_{N+1}}{S_N} = \frac{1}{?}
D : \frac{L_N}{L_{N+1}} = \frac{S_N}{S_{N+1}} = \frac{1}{?}
Which of the following is true regarding the axial mode of radiation in helical antenna?
Options
A : Radiation is broad, directional along axis and produces minor lobes
B : Radiation pattern is narrow and no minor lobes are produced
C : Minor lobes are produced only along the direction of helical axis
D : The dimensions of antenna are smaller than the wavelength
Which of the following modes of radiation, the radiation of helical antenna is along the end-fire direction?
Options
A : Axial mode
B : Normal mode
C : Perpendicular mode
D : Beam mode and Normal mode
Frequency Independent Antenna - Design of LPDA more Online Exam Quiz
Frequency Independent Antenna - Helical Antenna
Frequency Independent Antenna - Log Periodic Antenna
Frequency Independent Antenna - Modes of Radiation
Frequency Independent Antenna - Normal Mode of Radiation