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A device that...

Question

A device that converts high frequency current into electromagnetic wave.

A

Antenna

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B

Loudspeaker

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C

Microphone

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D

Transducer

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Solution

The correct option is A Antenna
By definition Antenna is a device that is used to convert high frequency current into electromagnetic wave.In transmission , a radio transmitter supplies as electric current to the antenna's terminals ; and the antenna radiates the energy from the current as electromagnetic waves.

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