I'm pretty sure that an example of an appliance can be a speaker and also the excel and jakaranda physics books would have information on this, so yeah check those out.
you will never have to think of another dot point in your life...
best site! i use it for chem and physics dot points, also good for any other subject!
Electricity safety switch.
When the current is sufficiently great enough, it will cause a magnet inside it to break the circuit by removing a ferrousmagnetic metal that would complete the circuit.
Something, something; I don't make much sense when it's late, but then I don't make much sense anywhere.