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Question
Describe the energy changes which take place in a radio.
Describe the energy changes which take place in a radio.
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Solution
A radio first converts electrical energy into sound energy.
It receive EM waves from air that being send through air by a radio transmitter. the radio receive these signals and uses RF amplification and detector which convert it to electrical signals and then finally uses audio amplifier which provide us melodious sound.
A radio first converts electrical energy into sound energy.
It receive EM waves from air that being send through air by a radio transmitter. the radio receive these signals and uses RF amplification and detector which convert it to electrical signals and then finally uses audio amplifier which provide us melodious sound.
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