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GCSE Combined Science · key term
An electromagnetic wave that can be produced by electrical oscillations and can induce electrical oscillations when absorbed.
Used by AQA
Specification 4.1.4.4 · Paper 1, Paper 2
Revise: Radio WavesRadio waves link electrical activity in a transmitter to electrical activity in a receiver. An electrical circuit can produce radio waves, and radio waves can themselves cause oscillations in another electrical circuit.
State that the induced alternating current has the same frequency as the received radio wave.
Distinguish transmission from reception: electrical oscillations produce radio waves; absorbed radio waves can induce electrical oscillations.
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