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Sarah Stancombe- Electrons, Waves and Photons (G482)




Definitions
June 2009

Resistance- resistance = p.d./current

Kirchhoff's second law- (sum of) e.m.f.s = sum /total of p.d.s/sum of voltages (in a loop).

January 2010

Mean Drift Velocity- the average displacement/distance travelled of the electrons along the wire per
second. (Over time) they…

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Sarah Stancombe- Electrons, Waves and Photons (G482)




Work Function- the minimum energy (required) to release an electron (from the surface of the metal).

Plane Polarised Wave- a transverse wave in the plane normal to the direction of (energy) propagation.

Oscillations confined to a single plane (containing the direction of propagation).…

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