Question 48
Electromagnetic SpectrumRadio carrier waves are generated by causing electrons to oscillate rapidly in
- A.a microphone
- B.a television camera
- C.an antenna
- D.coaxial cables
- E.a transmitter.
Show the answer and explanation
Answer: E (a transmitter.)
Explanation
The radio transmitter contains the oscillator circuit that makes electrons oscillate at the carrier frequency; the antenna then radiates the wave.