# Broadside Array Online Exam Quiz

Options

A : \frac{9?}{4}

B : \frac{5?}{4}

C : \frac{5?}{2}

D : \frac{9?}{2}

Options

A : Phase

B : Frequency

C : Voltage

D : Current

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

Options

A : TRUE

B : FALSE

C : -

D : -

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

Options

A : \frac{?}{2}

B : -\frac{?}{2}

C : ?

D : \frac{?}{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

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