Karl listed the steps involved when information is sent from transmitters to receivers.1 - A signal is produced. 2 - Radio waves are modulated and amplified. 3 - An antenna sends modulated waves through the air. 4 - An antenna captures the modulated waves. 5 - A signal is heard, seen, or used.
Answer
A
After Step 5, radio waves are amplified and demodulated.
B
Before Step 5, radio waves are amplified and demodulated.
C
After Step 3, radio waves are amplified and demodulated.
D
Before Step 3, radio waves are amplified and demodulated.