In 1892, he was the first person to broadcast a human voice using wireless telephone attached to ground electrodes. Used ground as conductor to send wireless signal.

In 1892, he was the first person to broadcast a human voice using wireless telephone attached to ground electrodes. Used ground as conductor to send wireless signal.

In 1892, he was the first person to broadcast a human voice using wireless telephone attached to ground electrodes. Used ground as conductor to send wireless signal.









a. Guglielmo Marconi
b. Samuel Morse
c. Lee De Forest
d. Nathan













Answer: B