Qhaider062idn
Answered

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explain briefly the transmission of radio waves​

Sagot :

Kiaigop18idn

Answer:

A radio wave is generated by a transmitter and then detected by a receiver. An antenna allows a radio transmitter to send energy into space and a receiver to pick up energy from space. Transmitters and receivers are typically designed to operate over a limited range of frequencies.

Explanation:

#carryonlearning

Lexie1256idn

Answer:

The radio wave that leaves a transmitting antenna originates as a sound spoken into a microphone. A microphone is a device for converting sound energy into electrical energy. A microphone accomplishes this transformation by any one of a number of mechanisms. In a carbon microphone, for example, sound waves entering the device cause a box containing carbon granules to vibrate. The vibrating carbon granules, in turn, cause a change in electrical resistance within the carbon box to vary, resulting in the production of an electrical current of varying strength.

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