Which statement best describes frequency...

Which statement best describes frequency...

Question 1 of 27070XssprXsqiBgH5nF09i6N

Which statement best describes frequency modulation?

Question 1 of 27070

Q

Which statement best describes frequency modulation?

🔍 Key Concepts

• Frequency Modulation (FM) vs Amplitude Modulation (AM) – what changes in each case • How FM reacts to amplitude (noise) spikes from the atmosphere • What the term mixing usually refers to in radio transmitters

💭 Think About

• In frequency modulation, ask yourself: what characteristic of the carrier wave is carrying the information – its height (amplitude) or how fast it oscillates (frequency)? • If atmospheric noise usually shows up as sudden changes in signal amplitude, would that mainly affect a system where information is in amplitude or in frequency? • Does the process called "mixing" in transmitters describe modulation itself, or is it usually used to change the signal to another frequency (like an intermediate frequency)?

✅ Before You Answer

• Identify in each choice whether it says amplitude changes, frequency changes, or both and compare that to the basic definition of FM. • Check which choice incorrectly describes a disadvantage of FM that is actually more typical of AM systems. • Confirm that "high level mixing" is usually associated with frequency conversion stages, not the fundamental definition of frequency modulation.