Distance and attenuation are ______ related.

• A. Directly related
• B. Inversely related
• C. Unrelated
• D. Sometimes related

Answer: (A)

Attenuation is the loss of signal power as it travels through a medium. For a given frequency and medium, the total attenuation accumulates with the distance the signal covers, so increasing distance increases the total loss in a proportional way. That’s why attenuation is often described as decibels per unit length and then multiplied by the path length to get the overall attenuation. In short, distance and attenuation are directly related.

As distance grows, the signal interacts with the medium more and spreads out, leading to more energy loss. This direct relationship is the reason the other options don’t fit: increasing distance does not reduce loss (inversely related), it is not unrelated, and the relationship isn’t just occasional or conditional but generally direct in typical propagation scenarios.