Ham Radio General Class Practice Test

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Which of these connector types is commonly used for audio signals in Amateur Radio stations?

PL-259
BNC
RCA Phono
Type N

The correct answer is: RCA Phono

The RCA phono connector is widely used in various audio applications, including Amateur Radio stations, due to its design that effectively handles line level audio signals. These connectors are typically used to connect audio sources, such as microphones and mixers, to amplifiers, receivers, and other audio equipment. RCA connectors are favored for their ease of use, reliability, and the availability of various cable lengths. The other connector types mentioned have different primary uses that make them less suitable for audio signals in this context. The PL-259 is primarily used for RF (radio frequency) connections, commonly for antennas and transceivers. BNC connectors are also generally used for RF connections, especially in test equipment and video applications. Type N connectors are designed for high-frequency RF applications and are not typically used for audio signal transmission.