A antenna which attempts to direct all its energy in a particular direction is called as a ........

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A antenna which attempts to direct all its energy in a particular direction is called as a .............

Directional Antenna

One to One Antenna

Propagation Antenna

Single Direction Antenna

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Explanation:

A directional antenna or beam antenna is an antenna which radiates or receives greater power in specific directions allowing increased performance and reduced interference from unwanted sources. Directional antennas send and receive signals in one direction only, usually in a tightly focused, very narrow beam. The signal pattern from a directional antenna has a cigar shape, and looks the same from the top as from the sides. This shape is referred to as a lobe. Hence option 1st is correct.