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Really Useful Electronics Sheet

Tip/walkthrough
 
MaltiK's picture
By MaltiK @ Sun, 2008-09-28 18:43

Description: 

it comes with the AXE020, but for those that dont have it...
Your rating: None Average: 4 (1 vote)
By BaseOverApex @ Sun, 2008-09-28 18:56
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Nice starter for 10

This is a great tip sheet for noobs. I'm sooooo glad to see someone distinguishing between a cell and a battery of cells!

Pop quiz: Anyone like to tell me the difference between a potentiometer and a variable resistor? (You may disregard the fact that the variable resistor depicted appears at first glance to have 3 tags.) Don't get smart with me - I know the answer.

By rj123 @ Wed, 2008-10-01 00:46
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Difference between Potentionmeter and Variable Resistor

Then why Ask!
By BaseOverApex @ Fri, 2008-10-03 22:09
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"pop quiz"

A quiz would be pretty rubbish if the guy asking the questions didn't know the answers.
By rik @ Sat, 2008-10-04 07:55
rik's picture

Unless

Unless he would just fake it...

;-)

By CaptainTuna @ Mon, 2008-09-29 12:36
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Well this is what i know.

Well this is what i know. The potentiometer can in fact be used as a variable resistor if you leave out one of the side pins. But in general potentiometers are used for voltage dividing. :)

What else...hmm, the variable resistors have 2 pins and pots have 3!  

By Tomphysics @ Mon, 2008-09-29 15:35

the pot. and the variable

the pot. and the variable resistor pictures look as if they should be the other way round.
By MaltiK @ Fri, 2008-10-03 22:23
MaltiK's picture

Nope, thats right :)

Nope, thats right :)
By CaptainTuna @ Sat, 2008-10-04 18:03
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last day i had a discussion

last day i had a discussion with my physics teacher thatsaid rheostats and potentiometers were the same thing, i kept on telling him it wasn't true! In fact they're not the same thing!
By BaseOverApex @ Sat, 2008-10-04 20:55
BaseOverApex's picture

Teachers

Teachers have a very limited field of knowledge. They know enough to teach you to pass exams. I argued once with my geography teacher that land masses changed in size dependant on temperature. She said I was talking rubbish.
By agis68 @ Sun, 2008-10-05 18:29
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Usefull

All the knowledge at one glance
By luttermann @ Sat, 2008-10-18 21:53
luttermann's picture

Nice sheet...

 I have absolutely no idea'r what the difference is, i just go with my gutt :-/

 

If you want the sheet as an non-scanned document it is here:
http://www.rev-ed.co.uk/docs/symbols.pdf

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