Energy transfers in electrical appliances
Every electrical appliance in the home is designed to Changes from one form of energy to another form of energy. from one The different ways in which energy can be stored, including chemical, kinetic, gravitational potential, elastic potential and thermal stores. to another.
In a torch, the energy stored in the battery is used to heat up the filament of the bulb.
In a vacuum cleaner, The capacity of a system to do work or the quantity required for mechanical work to take place. Measured in joules (J). For example, a man transfers 100 J of energy when moving a wheelbarrow. is usefully transferred from the power station to make the motor spin. Some of the energy is transferred less usefully into the room through sound and heat.
Learn more on energy transfers in everyday appliances in this podcast
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