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Generally, the wavelength of an FM signal is shorter than an AM signal. A typical FM broadcast band is 88-108 MHz, while a typical AM broadcast band is 540-1660 KHz, making the FM signal wavelength 100 times shorter.

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13y ago
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14y ago

FM may be modulated to have a shorter wavelength.

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13y ago

Am has a lower frequency so It has a greater wavelength this is helpful for getting around obstacles in its path.

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Q: What wave has a shorter wavelength AM or FM?
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What is a relationship between frequency and wavelength?

The issue is not frequency and wavelength, a relationship is the problem AM Wave length is longer, than FM Wave length. Shorter wave lengths have a tendency to be shorter in the pm. AM Wave lengths were used before FM wave lengths.


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