Since electrical signals are not carried away from the sender, they
A) are effective for only short distances.
B) are not distorted during transmission.
C) may be a reliable indicator of the sender's identity.
D) all of the above.

Question

Quizplus · Accepted Answer

Electrical signals, when not carried away from the sender, can be effective for only short distances, are less likely to be distorted during transmission, and may serve as a reliable indicator of the sender's identity, making all of the provided options correct.

Since Electrical Signals Are Not Carried Away from the Sender