Question

Which two characteristics make electromagnetic waves effective in communication?

Answer 1

Answer:

A.  They do not require a medium to carry information.

D.  They carry information very quickly.

Explanation:

The two characteristics that makes electromagnetic waves effective in communication is that they do not require a medium to carry information and they move information very quickly.

• Electromagnetic waves are produced by the vibration between electrical and magnetic fields.
• These waves are notable for being able to propagate without requiring any medium for their movement.
• They also have very fast speed.
• The speed of all electromagnetic waves is equal to that of light.