Electricity and Magnetism
Electric Current and Potential Difference
Current, potential difference, charge flow, ammeter, voltmeter, and circuit basics.Ohm's Law
Relationship between voltage, current, resistance, V-I graphs, and limitations of Ohm's law.Resistance and Resistivity
Factors affecting resistance, resistivity, conductor dimensions, and material dependence.Resistors in Series and Parallel
Equivalent resistance, current and voltage distribution, and circuit comparisons.Electricity and Magnetism concept map
Use this map to see the chapter structure before diving into formulae or diagrams.Exam cue: The first step in revision is placing the question in the correct chapter topic.
- 1Electric Current and Potential Difference -> Ohm's Law: links with
- 2Electric Current and Potential Difference -> Resistance and Resistivity: links with
- 3Electric Current and Potential Difference -> Resistors in Series and Parallel: links with
- 4Electric Current and Potential Difference -> EMF, Terminal Potential Difference, and Internal Resistance: links with