Frequency Independent Antenna - Log Periodic Antenna Online Exam Quiz
Frequency Independent Antenna - Log Periodic Antenna GK Quiz. Question and Answers related to Frequency Independent Antenna - Log Periodic Antenna. MCQ (Multiple Choice Questions with answers about Frequency Independent Antenna - Log Periodic Antenna
Frequency range of LPDA is __
Options
A : 3 MHz to 30 MHz
B : 30 KHz to 30 GHz
C : 30 MHz to 3 GHz
D : 300 KHz to 300GHz
In frequency independent antennas, the antennas are defined in terms of ___
Options
A : Angles
B : Wavelengths
C : Range
D : Frequency
The geometrical design of the Log periodic depends on ___
Options
A : Scaling factor
B : Gain
C : Impedance
D : Stability
The ratio of adjacent spacing of dipoles and its lengths in the LPDA are not equal.
Options
A : TRUE
B : FALSE
C : -
D : -
The relation between the dipole lengths and the scaling factor ? in LPDA is given by ___
Options
A : \frac{L_N}{L_{N+1}} =?
B : \frac{L_N}{L_{N+1}} =\frac{1}{?}
C : \frac{L_N}{L_{N+2}} =?
D : \frac{L_{N+2}}{L_N} =?
The relation between the dipole spacing and the scaling factor ? in LPDA is given by ___
Options
A : \frac{S_N}{S_{N+1}} = ?
B : \frac{S_N}{S_{N+1}} = \frac{1}{?}
C : \frac{S_N}{S_{N+2}} = ?
D : \frac{S_{N+2}}{S_N} = ?
Which of the following band of frequency the LPDA operates?
Options
A : VHF & UHF
B : UHF & MF
C : MF & HF
D : HF & UHF
Which of the following best suits to describe the impedance of a log periodic antenna?
Options
A : It is function of anti-logarithmic of frequency
B : It is dependent on frequency directly
C : It is a function of logarithmic of inverse frequency
D : It is a function of logarithmic of frequency
Which of the following statement is false?
Options
A : LPDA is a frequency independent antenna
B : In LPDA the lengths of the dipoles increases from the apex of the feed line toward other end
C : The included angle varies as the length of the dipole changes from the apex of feed line
D : The spacing between adjacent dipoles and their lengths are in same ratio
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