Broadside Array Online Exam Quiz
Broadside Array GK Quiz. Question and Answers related to Broadside Array. MCQ (Multiple Choice Questions with answers about Broadside Array
Find the overall length of an end-fire array with 10 elements and spacing ?/4.
Options
A : \frac{9?}{4}
B : \frac{5?}{4}
C : \frac{5?}{2}
D : \frac{9?}{2}
In a broadside array all the elements must have equal __ excitation with similar amplitude excitations to get maximum radiation.
Options
A : Phase
B : Frequency
C : Voltage
D : Current
The direction of maximum radiation in end-fire array is __ with respect to the array axis.
Options
A : 0? or 180?
B : 90?
C : 45?
D : 270?
The directivity of a linear broadside array with half wave length spacing is equal to ___
Options
A : Unity
B : Zero
C : Half of the number of elements present in array
D : Number of elements present in array
The phase excitation difference is zero in end-fire array.
Options
A : TRUE
B : FALSE
C : -
D : -
What is the phase excitation difference for an end-fire array?
Options
A : 0
B : ?kd /2
C : ?
D : ?kd
What is the phase excitation difference in end-fire array with array spacing d at ?=0??
Options
A : -\frac{2?}{?} d
B : \frac{2?}{?} d
C : -\frac{?}{?} d
D : \frac{?}{?} d
What is the progressive phase excitation of an end-fire array with element spacing ?/4 at ?=180??
Options
A : \frac{?}{2}
B : -\frac{?}{2}
C : ?
D : \frac{?}{4}
What would be the directivity of a linear broadside array in dB consisting 5 isotropic elements with element spacing ?/4?
Options
A : 9.37
B : 3.97
C : 6.53
D : 3.79
Which of the following is false regarding a linear broadside array with 2 elements and spacing ??
Options
A : Directivity = 6.02 dB
B : No grating lobes are present
C : Nulls occur at cos^{-1}?\frac{1}{2}
D : The maxima occurs normal to the axis of array and also at other angles
Array of N-Isotropic Sources more Online Exam Quiz
X-Ray Fluorescence Spectrometry - Introduction