Question

The first telegraph contributed to the field of

Select one:
a. Engineering
b. Mining
c. Transportation
d. Communication

Answer 1

The first telegraph contributed to the field of "Communication" (D)

In 1844, Morse sent his first telegraph message.

You would send a telegraph over a wire through a series of electrical current pulses. Morse code is the main communication used with the telegraph.

Hope that helps!
-Chris