This topic covers “Current of Electricity” of A Level Physics. (Equivalent to Advanced Placement) If this is too advanced for you, you can try the more basic version here.

### Sub-Topics

- Electric Current
- Electrical Conductors & Insulators
- Semiconductors, Electrolyte & Gases
- Electromotive Force & Potential Difference
- Resistance, Resistivity & Ohm’s Law
- I/V Graph of Metallic Conductor
- I/V Graph of A Semiconductor Diode
- I/V Graph of Filament Lamp
- I/V Graph of Thermistor
- Internal Resistance