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Aerial — OCR GCSE Combined Science A Definition

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Combined Science
Key terms
Aerial

GCSE Combined Science · key term

Aerial

Definition

A metal conductor used to transmit or receive radio waves; also called an antenna.

Used by OCR

How each exam board covers it

OCR GCSE Combined Science A · J250

Specification P4.2i · Physics Paper 2

Electrical circuits can both produce radio waves and respond to them. This connection allows a transmitting aerial to send a signal to a receiving aerial without a wire joining them.
Revise: Radio Waves and Electrical Circuits

OCR Combined Science A past papers

Exam tips

1
Charges do not travel through the air from one aerial to the other: the radio wave transfers energy between them.

Related key terms

Alternating current
Frequency
Oscillation

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