# Antenna Characteristics Online Exam Quiz

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

Options

A : 1.28m2

B : 2.18m2

C : 0.128m2

D : 12.8m2

### If beam width of the antenna increases, then directivity __

Options

A : Decreases

B : Increases

C : Remains unchanged

D : Depends on type of antenna

Options

A : 4-Mar

B : 4-Jan

C : 2-Jan

D : 2-Mar

### Overall receiver noise temperature expression if T1, T2? are amplifier 1, 2, and so on noise Temperature and G1, G2, and so on are their gain respectively is___

Options

A : T = T_1+\frac{T_2}{G_1}+\frac{T_3}{G_1 G_2}+?

B : T = T1+T2 (1-G1)+T3(1-G1G2)+?

C : T = T_1+\frac{T_2}{(1-G_1)}+\frac{T_3}{(1-G_1 G_2)}+?

D : T = T1+T2 (G1)+T3(G1G2)+?

### Relation between brightness temperature TB and physical body temperatureTp is __

Options

A : TB=(1-\mid\Gamma_s \mid^2) T_p

B : TB=T_p/(1-\mid\Gamma_s \mid^2)

C : TB=(1-\mid\Gamma_s \mid)T_p

D : TB=(1-\mid\Gamma_s \mid)^2 T_p

Options

A : FNBW

B : HPBW

C : Beam width

D : FBR

Options

A : Low, high

B : High, high

C : Low, low

D : High, low

Options

A : k(TA+TR)B

B : k(TA+TR)/B

C : k(TR)B

D : kB/Tsys

### Which of the following option is false?

Options

A : Omni-directional antenna is a special case of directional antenna

B : Directional antenna radiates power effectively in particular directions compared to other directions

C : Isotropic antenna radiates power in all directions

D : End-fire array antenna has its main beam normal to the axis containing antenna

### Antenna Bandwidth more Online Exam Quiz

Measurement of Gain

Near Field and Far Field

Spectrum Analyzer

Standing Wave Ratio Method

Antenna Bandwidth

Antenna Noise Temperature

Basics

Directive Gain

Directivity

Effective Aperture