Electric Circuits – Physics Academy London

EDEXCEL
3. Electric Circuits

3.1 Electric current

3.2 Potential and potential difference

3.3 Ohm’s law and resistance

3.4 Total resistance of series and parallel connections

3.5 Electric power

3.6 Resultant of two coplanar vectors

3.7 Current-potential difference graphs for ohmic and non-ohomic conductors

3.8 Resistivity

3.9 Drift velocity ( I = nqvA )

3.10 Potential divider

3.11 Electromotive force and terminal potential difference

3.12 Changes of resistance with temperature

CORE PRACTICAL 2: Determine the electrical resistivity of a material.

CORE PRACTICAL 3: Determine the e.m.f. and internal resistance of an electrical cell.

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