# N-element Linear Array Online Exam Quiz

N-element Linear Array GK Quiz. Question and Answers related to N-element Linear Array. MCQ (Multiple Choice Questions with answers about N-element Linear Array

Options

A : TRUE

B : FALSE

C : -

D : -

### Condition for the half power width of the Array factor is given by ___

Options

A : \frac{N?}{2}=?1.391

B : \frac{N?}{2}=?3

C : \frac{N?}{2}=?0.5

D : \frac{N?}{2}=?1

### Find the Nulls of the 8-element array in which elements are separated by ?/4 and phase difference is 0?

Options

A : ?_n=cos^{-1}?(\left[?\frac{n}{2}\right])

B : ?_n=cos^{-1}?(\left[?\frac{n}{4}\right])

C : ?_n=sin^{-1}?(\left[?\frac{n}{2}\right])

D : ?_n=sin^{-1}?(\left[?\frac{n}{4}\right])

### Find the Nulls of the N-element array in which elements are separated by ?/4 and phase difference is 0?

Options

A : ?_n=cos^{-1}?(\left[?\frac{4n}{N}\right])

B : ?_n=cos^{-1}?(\left[?\frac{2n}{N}\right])

C : ?_n=sin?(\left[?\frac{4n}{N}\right])

D : ?_n=sin^{-1}?(\left[?\frac{4n}{N}\right])

Options

A : Array Factor

B : Beamwidth

C : Total Field

D : Directivity

Options

A : TRUE

B : FALSE

C : -

D : -

### The radiating pattern of single element multiplied by the array factor simply gives the ___

Options

A : Pattern multiplication

B : Normalized array factor

C : Beamwidth of the array

D : Field strength of the array

### Which of the following expression represents the pattern multiplication?

Options

A : Etotal=E? ? Array Factor

B : Etotal=E? ? Directivity

C : Etotal=Eall elements ? Array Factor

D : Etotal=E? ? Beamwidth

### Which of the following statements is false?

Options

A : Pattern multiplications gives use the radiation pattern of the array

B : All elements must be identical to apply pattern multiplication principle

C : The radiation pattern of the single array antenna is multiplied by the antenna factor then is pattern multiplication

D : Pattern multiplication is also applicable for array with different unequal elements

### Array of N-Isotropic Sources more Online Exam Quiz

Array of N-Isotropic Sources

End Fire Array

Factors

Introduction

Pattern Multiplications