a microphone
a television camera
an antenna
coaxial cables
a transmitter
Explanation
Video Explanation
No video available
Post your Contribution
Discussions (6)
The question is:
"Radio carrier waves are generated by causing electrons to oscillate rapidly in:"
Let's break down the options:
A. a microphone – This converts sound into electrical signals but doesn’t generate radio waves.
B. a television camera – This captures images and transmits video signals, but it's not responsible for generating radio carrier waves.
C. an antenna – Antennas radiate radio waves but don’t generate the carrier wave themselves.
D. coaxial cables – These are used for transmitting signals, not for generating them.
E. a transmitter – Correct answer. A transmitter is the device that generates radio carrier waves by causing electrons to oscillate rapidly, which produces electromagnetic waves.
Correct answer: E. a transmitter
the answer you chose is wrong, the correct answer is C
Radio carrier waves are generated by causing electrons to oscillate rapidly through a conductor, such as a metallic antenna.
The oscillation of electrons in the conductor produces alternating electric and magnetic fields, which propagate as electromagnetic waves at the desired radio frequency. The oscillation is typically induced by feeding an alternating current (AC) signal into the antenna, which is generated by a circuit such as an oscillator.
so the answer is not E, the answer is C
Radio carrier waves are generated by causing electrons to oscillate rapidly through a conductor, such as a metallic antenna.
The oscillation of electrons in the conductor produces alternating electric and magnetic fields, which propagate as electromagnetic waves at the desired radio frequency. The oscillation is typically induced by feeding an alternating current (AC) signal into the antenna, which is generated by a circuit such as an oscillator.
