Multiple choice

A device mounted on a communication satellite which receives, amplifies and re-transmits signals from earth station is

  1. Track

  2. Transponder

  3. Transistor

  4. Terminal
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A transponder on a satellite acts as a repeater; it receives a signal from an earth station, amplifies it to compensate for signal loss, and then re-transmits it back to Earth at a different frequency to avoid interference.

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