Powerpoint lecture covering the following in a modern, concise format:
Specification Point 2.1 - Use the following units: ampere, coulomb, joule , ohm, second, volt and watt.
Specification Point 2.2 - Understand how the use of insulation, double insulation, earthing, fuses and circuit breakers protects the device or user in a range of domestic appliances.
Specification Point 2.3 - Understand why a current in a resistor results in the electrical transfer of energy and an increase in temperature, and how this can be used in a variety of domestic contexts.
Specification Point 2.14 - Know that current is the rate of flow of charge.
Complete set of Chapter 2 Lectures are available.
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