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Science 10
Science Q2
Radio telecommunication
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Cards (14)
What bounces back from the atmosphere and can reach rural areas?
Amplitude Modulation
What just passes through the ionosphere meaning it can only reach nearer areas?
Frequency modulation
What is also called the transducer, where sound waves are converted to electrical signals, and these signals are fed to the modulator?
Microphone
What modifies if it's going to be AM or FM (audio or video info)?
Modulator
What generates fixed frequency (carrier waves-sound waves)?
Oscilator
What increases the energy carried by the wave?
Amplifier
What converts to electrical waves?
Broadcast anthena
This picks up all the frequency.
Receiving anthena
What selects the frequency received?
Tunner circuit
What feeds the audio to loud speaker?
Demodulator
What strengthens the received signals?
Amplifier
What converts the signal back to sound waves?
Loud speaker
What is the correct cycle of waves?
Sound waves
Electrical waves
Radio waves
Electrical waves
Sound
waves
What is the correct cycle of radio telecommunication?
Microphone
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Transducer
Modulator
Oscillator
Amplifier
Broadcast anthena
Receiving anthena
Tunner circuit
Demodulator
Amplifier
Loud speaker