Answer:
d none of these are correct
Answer:
Thomas A. Watson, one of Bell's assistants, was trying to reactivate a telegraph transmitter. Hearing the sound, Bell believed that he could solve the problem of sending a human voice over a wire. He figured out how to transmit a simple current first, and received a patent for that invention on March 7, 1876.
Explanation:
Answer:
What type of question is this?
Explanation:
Tell me in the comments on what you mean then i might be able to help you.
