Q.1.
The directivity of Yagi-Uda antenna is increased by adding ______
Q.2.
Directors are used to increase ______ of the Yagi-Uda antenna.
Q.3.
What is the radiation pattern of a Yagi-Uda antenna?
Q.4.
A narrow beam-width is obtained through a large number of directors.
Q.5.
The dipole to which the power is applied directly from the feeder in the Yagi-Uda antenna is called as _____
Q.6.
Folded dipole is used than a single dipole in Yagi-Uda to obtain wider frequency range.
Q.7.
In which of the following bands Yagi-Uda antenna operates?
Q.8.
A Yagi-Uda antenna is ____
Q.9.
In order to convert the bidirectional dipole to unidirectional system, we use _______
Q.10.
Which of the following will add the field of the driven element and will excite the next parasitic element to increase the gain of the antenna?