What does "FM" found on radio receivers stand for?

Amplitude Modulation
Frequency Modulation
Fast Modulation
Microwaves
In telecom­mu­ni­ca­tions and signal pro­cess­ing, fre­quen­cy mod­u­la­tion (FM) is the encoding of in­for­ma­tion in a carrier wave by varying the in­stan­ta­neous fre­quen­cy of the wave.

Answers distribution

Amplitude Modulation
Frequency Modulation
Fast Modulation
Microwaves
answers
flagCanada
0%
94%
0%
5%
19
flagSouth Africa
0%
90%
10%
0%
10
flagIndia
4%
87%
2%
3%
86
flagthe United States
2%
82%
6%
5%
167
flagDenmark
0%
63%
9%
18%
11
flagthe Netherlands
3%
62%
11%
22%
27
flagthe United Kingdom
4%
56%
11%
26%
178
flagFrance
0%
55%
16%
22%
18
flagItaly
7%
53%
0%
38%
13
flagNorway
0%
46%
7%
46%
13
flagPoland
4%
45%
19%
30%
5860
flagGermany
2%
45%
19%
29%
68
flagUnknown
1%
33%
13%
50%
53
flagRepublic of Ireland
0%
31%
31%
37%
16

Gender

men42%
women35%
Amplitude Modulation
3%
2%
Frequency Modulation
42%
35%
Fast Modulation
18%
20%
Microwaves
35%
42%

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What does "FM" found on radio receivers stand for?
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Author: Paweł Kołodziejczyk
Illustration: Joe Haupt
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