Question 1:

Who is credited with the invention of the electric telegraph?

Explanation: The invention of the electric telegraph is credited to Samuel Morse.

Question 2:

What was the first message sent using the electric telegraph?

Explanation: The first message sent using the electric telegraph was "What hath God wrought!" by Samuel Morse.

Question 3:

Which technology is used in the electric telegraph to transmit messages over long distances?

Explanation: Electrical signals are used in the electric telegraph to transmit messages over long distances.

Question 4:

Which year was the first successful telegraph line established?

Explanation: The first successful telegraph line was established in 1844.

Question 5:

What impact did the telegraph have on communication?

Explanation: The telegraph revolutionized long-distance communication, enabling near-instantaneous transmission of messages.