Question

explain the construction and working of a telephone ​

Answer 1

Explanation:

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Answer 2

Question :

explain the construction and working of a telephone

Answer:

When a person speaks into a telephone, the sound waves created by his voice enter the mouthpiece. An electric current carries the sound to the telephone of the person he is talking to. A telephone has two main parts:

(1) the transmitter and

(2) the receiver. ...

Low voltage electric current travels through the grains.