Folded Dipole Antenna - Types Online Exam Quiz
Folded Dipole Antenna - Types GK Quiz. Question and Answers related to Folded Dipole Antenna - Types. MCQ (Multiple Choice Questions with answers about Folded Dipole Antenna - Types
For a multi conductor folded dipole with n conductors, the impedance is __ ?.
Options
A : 2n Z
B : nZ
C : n2Z
D : Z/n
If the radii of two conductors are r1 (feed arm), r2 (non feed arm) and separated by a distance,then the impedance transformation for a half folded dipole is given by ___
Options
A : (1+log(ar1 )log(ar2 ) ) 2
B : 73(1+log(ar1 )log(ar2 ) ) 2
C : (1+log(ar2 )log(ar1 ) ) 2
D : 73(1+log(ar2 )log(ar1 ) ) 2
In unequal conductor folded dipole, the diameter of the conductor of feed arm and the non feed arm are unequal.
Options
A : TRUE
B : FALSE
C : -
D : -
On which of the following factors does the overall impedance of the unequal conductor folded dipole depends?
Options
A : Only thickness of conductors
B : Space between conductors
C : Radiation resistance of the dipole
D : Radii, radiation resistance and space between conductors.
The distance between directors of Yagi-Uda antenna is __
Options
A : 0.2?
B : 0.49?
C : 0.52?
D : 0.62?
The length of the director compared to the driven element is __
Options
A : Greater
B : Smaller
C : Independent to each other
D : Depends on the type of driven element
The length of the reflector compared to the driven element is __
Options
A : Greater
B : Smaller
C : Independent to each other
D : Depends on the type of driven element
What is the approximate distance between directors for a Yagi-Uda antenna operating at frequency 150MHz?
Options
A : 0.4m
B : 1.6m
C : 2m
D : 4.8m
Which of the following causes the shortening effect on multi conductor folded dipole?
Options
A : Only thickness of conductors
B : Space between conductors
C : Radiation resistance of the dipole
D : Both the radii and radiation resistance
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