Why AM is used in broadcasting?

Amplitude Modulation (AM) is used in broadcasting because it allows for the transmission of audio signals over long distances with relatively simple equipment. AM is capable of providing good coverage, especially in rural areas, as its lower frequencies can travel farther and penetrate obstacles like buildings. Additionally, AM broadcasting is less susceptible to interference from physical barriers compared to higher frequency signals. This makes it a practical choice for radio stations aiming to reach a wide audience.