Explore topic-wise MCQs in Antenna Measurements.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Antenna Measurements knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following equation holds good for gain transfer method?

A. G<sub>test antenna</sub> = G<sub>std antenna</sub>) + (10log u2061( frac{P_{Test}}{P_{Std}}) )
B. G<sub>test antenna</sub> = G<sub>std antenna</sub>) (10log u2061( frac{P_{Test}}{P_{Std}}) )
C. G<sub>test antenna</sub> + G<sub>std antenna</sub>) = (10log u2061( frac{P_{Test}}{P_{Std}}) )
D. G<sub>test antenna</sub> / G<sub>std antenna</sub>) = (10log u2061( frac{P_{Test}}{P_{Std}}) )
Answer» B. G<sub>test antenna</sub> = G<sub>std antenna</sub>) (10log u2061( frac{P_{Test}}{P_{Std}}) )
Discussion
2.

Which of the following method is employed for the gain transfer method for antenna outdoor range?

A. Anechoic chamber
B. Tampered chamber
C. Reflection range
D. Compact range
Answer» D. Compact range
Discussion
3.

What is the antenna efficiency if the gain equals to the directivity of the antenna?

A. 1
B. 0
C. 3
D. 2
Answer» B. 0
Discussion
4.

Relation between Antenna gain G and directivity D is ______

A. G = <sub>r</sub> D
B. G = <sub>r</sub>/D
C. G = D/ <sub>r</sub>
D. G = 1/ <sub>r</sub>D
Answer» B. G = <sub>r</sub>/D
Discussion
5.

Antenna efficiency of a lossless isotropic antenna is dB is ____

A. 0
B. 1
C. 3
D. -3
Answer» B. 1
Discussion
6.

In which of the following method does not require standard gain of antennas for gain measurements to compare AUT?

A. Absolute gain
B. Gain transfer method
C. Gain compromise method
D. Both gain transfer and absolute gain method
Answer» B. Gain transfer method
Discussion
7.

Which of the following is used mostly for the calibration of standard gain of antenna?

A. Absolute gain
B. Gain transfer method
C. Gain compromise method
D. Both gain transfer and absolute gain method
Answer» B. Gain transfer method
Discussion
8.

Friss equation provided the basis for the absolute gain measurement.

A. True
B. False
Answer» B. False
Discussion
9.

Friss transfer formula is given by _____

A. (P_r = P_t G_r G_t ( frac{ }{4 R})^2 )
B. (P_r = P_t G_r G_t ( frac{ }{4 R}) )
C. (P_r = frac{P_t G_r G_t}{ frac{ }{4 R}} )
D. (P_r = P_t G_r G_t ( frac{ }{4 R^2}) )
Answer» B. (P_r = P_t G_r G_t ( frac{ }{4 R}) )
Discussion
10.

In which of the following type of measurement prior gain knowledge of antennas used in measurements is not necessary?

A. Absolute gain
B. Gain transfer method
C. Gain compromise method
D. Both gain transfer and absolute gain method
Answer» B. Gain transfer method
Discussion