# Pattern Multiplications Online Exam Quiz

Pattern Multiplications GK Quiz. Question and Answers related to Pattern Multiplications. MCQ (Multiple Choice Questions with answers about Pattern Multiplications

### A 4-isotropic element broadside array separated by a ?/2 distance has nulls occurring at __

Options

A : cos^{-1} (?\frac{n}{2})

B : cos^{-1} (?\frac{4n}{2})

C : sin^{-1} (?\frac{n}{2})

D : sin^{-1} (?\frac{n}{4})

### A 4-isotropic element broadside array separated by a ?/4 distance has nulls occurring at __

Options

A : cos-1 (?n)

B : cos^{-1} (?\frac{n}{2})

C : sin^{-1} (?\frac{n}{2})

D : sin-1 (?n)

### The array factor of 4- isotropic elements of broadside array is given by __

Options

A : \frac{sin(2kdcos?)}{2kdcos?}

B : \frac{sin(kdcos?)}{2kdcos?}

C : \frac{sin(2kdcos?)}{kdcos?}

D : \frac{cos(2kdcos?)}{2kdcos?}

Options

A : sinc(2cos?)

B : sin(2?cos?)

C : sinc(2?sin?)

D : sin(2sin?)

Options

A : sinc(cos?)

B : cos(sin?)

C : sin(sin?)

D : sin(cos?)

Options

A : TRUE

B : FALSE

C : -

D : -

Options

A : 0, ??/2

B : ?, ??/2

C : ?, ??/4

D : ?/4, ??/2

### Which of the following doesn't applicable for pattern multiplication?

Options

A : It is the product of the individual radiation pattern of the element with the array factor of the array

B : All elements must be identical

C : All elements need not be identical

D : This gives the radiation pattern of the entire array

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

End Fire Array

Factors

Introduction

N-element Linear Array