# End Fire Array Online Exam Quiz

End Fire Array GK Quiz. Question and Answers related to End Fire Array. MCQ (Multiple Choice Questions with answers about End Fire Array

### Find the normalized Array factor when two antenna elements are separated by a distance of ?/4 and phase difference is 0 and ?=0?

**Options**

A : cos?(\frac{?}{4})

B : cos?(\frac{?}{2})

C : cos?(\frac{3?}{4})

D : cos?(\frac{3?}{2})

### The normalized array factor of a two element array antenna is given by ___

**Options**

A : AF_n=cos?(\frac{kdcos?+?}{2})

B : AF_n=2cos(\frac{kdcos?+?}{2})

C : AF_n=cos?(\frac{kdcos?}{2}+?)

D : AF_n=cos?(\frac{kdsin?+?}{2})

### Which of the following is a function of position of antennas in array and the weights?

**Options**

A : Array Factor

B : Field pattern

C : Total array field

D : Beamwidth

### Which of the following is the correct condition of an ordinary end-fire array?

**Options**

A : ?=?kd

B : ?=kd

C : ? > kd

D : ? < ?kd

### Which of the following is true for uniform linear array elements, to obtain the total field?

**Options**

A : The single element field is multiplied by the array factor

B : The single element field is multiplied by the normalized array factor

C : The single element field is multiplied by the beamwidth

D : The single element field is multiplied by the directivity

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