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Knowledge you need to have:
Knowledge you need to have:
Definition of electrical power in terms of electrical energy and time.
Knowledge of the effect of potential difference (voltage) and resistance on the current in and power developed across components in a circuit.
A 3 A fuse should be selected for most appliances rated up to 720 W, a 13 A fuse for appliances rated over 720 W.
Skills you need to develop:
Skills you need to develop:
Selection of an appropriate fuse rating given the power rating of an electrical appliance.
Use of an appropriate relationship to solve problems involving energy, power and time.
Use of appropriate relationships to solve problems involving power, potential difference (voltage), current and resistance in electrical circuits.
Class Material:
Class Material:
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