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# Physics Help - Transducers watch

1. Being struggling and searched online, to look for a clear descritpion of how a transducer works ?

Can anyone help and just tell me how a trandsducer works and the different uses of transduecers in electrical devices ?
2. What do you understand the word 'transducer' means in your own words?
3. That's not helping me at all, I need to know how it all works
4. (Original post by KKP109)
That's not helping me at all, I need to know how it all works
It's a simple question so I can understand how much you already know and then I can give a suitable response which does not either patronise you or is way above your current level of understanding.
5. Sorry ! A transducer is an electric device that converts energy from one to form to anothr form of energy.
6. (Original post by KKP109)
Sorry ! A transducer is an electric device that converts energy from one to form to anothr form of energy.
OK.

If you remove the word 'electric' you have the definition of a transducer.

The word missing from your statement though, is 'signal'.

The important thing with transducers is that in most cases, the amount of energy converted is not important, it's the information that the different forms of energy carries which is important. There are some exceptions where both information and power are important but these are in the minority.

For completeness, conversion is not necessarily limited to between electrical energy and any other form of energy either. However, by far, the most common application of a transducer is from one form of energy signal to an electrical energy signal or vice-versa.

So with that understanding, what is it you have difficulty in understanding with various electrical transducers?

Perhaps a good place to start is for you to list as many different types of energy you know, we can then go through these and see if we can tease out the underlying principle for conversion of each to an electrical signal?
7. Hiya, Thanks for that ! Well its for an assignment and I've done it all apart from how a transducer works ? I'm sure that a definition somes it up, but not sure if theirs like a process.

In my assignment I've discussed the basic types of transducers, active and passive and then ive done a practical write up of a practical i carried out.
8. I think I've sorted in now, so thank you so much for your help

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Updated: April 12, 2013
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