An antenna absorbs radio waves, which induces an electrical signal in the connected receiver circuit.
Which statement correctly describes the induced electrical signal?
It is an alternating current with the same frequency as the radio wave.
It is an alternating current with a higher frequency than the radio wave.
It is a direct current with the same frequency as the radio wave.
It is a direct current with a lower frequency than the radio wave.
32 exam-style questions on OCR GCSE Physics The electromagnetic spectrum. Each one has a worked solution and a mark scheme showing where the marks go.