Physics · A-Level · AQA · AQA A-level Physics (7408) · Specification point · 3.12.1.2 · Turning points in physics (A-level only) · The discovery of the electron (A-level only)
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3.12.1.2 Thermionic emission of electrons (A-level only)
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The principle of thermionic emission. Work done on an electron accelerated through a pd ; |