Saturday 30 March 2013

2.4 understand that 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

As a resistor slows down the movement of electrons, the kinetic energy that was moving them is converted into heat energy. This can be used, for example, in hair dryers or heaters.

15 comments:

  1. Thanks for sharing about resistor. Clearly & useful.
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  2. Is this information reliable enough to use for revision? thanks again

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    Replies
    1. Yes this website is amazing I use it for so much revision and so far everything has been correct as well as being clear, concise and easy to understand

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  5. This is actually 2.5 now, not 2.4, 2.4 is about electrical heating in domestic appliances

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  6. Electrician Perth, KNP Electrics supply a selection of Electrical Methods To Perth & surrounding suburbs. Employing a range of things for Professional or Your House.domestic electrical

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  7. thank you so much, this entire website has been one of the things that help me survive this year because I have a teacher that nobody in my class can understand so we basically have to teach ourselves the entire syllabus...

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  8. Guys, the new specification is so weird and unusual to the old one. The old one was better

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