Construction of Yagi - Uda Online Exam Quiz
Construction of Yagi - Uda GK Quiz. Question and Answers related to Construction of Yagi - Uda. MCQ (Multiple Choice Questions with answers about Construction of Yagi - Uda
Find the critical frequency when the refractive index of the layer is 0.54 and MUF is 9MHz?
Options
A : 0.84MHz
B : 7.57MHz
C : 0.75MHz
D : 8.4MHz
For a feeder length of 0.5?, which among the following would be the director length?
Options
A : 0.525?
B : 0.455?
C : 0.493?
D : 0.55?
For a feeder length of 0.5?, which among the following would be the reflector length?
Options
A : 0.525?
B : 0.425?
C : 0.23?
D : 0.35?
For a regular layer, the critical frequency is proportional to the __ of electron density.
Options
A : Square
B : Inverse
C : Square root
D : Inverse square root
If length of the reflector, driven element, director islr, lde, ld, respectively then the order in the increasing order of their lengths is ___
Options
A : lr, lde, ld
B : ld, lde, lr
C : lde, lr, ld
D : lr, lde, lde
If the input impedance of a half wave dipole Yagi-Uda is 73?, then input impedance of a half wave folded dipole as driven element is __
Options
A : 73?
B : 146?
C : 36.5?
D : 292?
The value of refractive index when the MUF is equal to the critical frequency is __
Options
A : 1
B : 0
C : 0.5
D : 0.29
What is the critical frequency when the electron density in the F1 layer is 20?1010/cm3?
Options
A : 40.2GHz
B : 4.02 MHz
C : 40.2 MHz
D : 40.2Hz
What is the Director length (in feet) for a three element Yagi-Uda array, operating at a frequency 500MHz?
Options
A : 0.91
B : 1
C : 2
D : 0.5
What is the driven length (in feet) for a three element Yagi-Uda array, operating at a frequency 500MHz?
Options
A : 0.95
B : 0.2
C : 1
D : 2
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