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CIE physics as practicals

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falafail:

--- Quote from: nid404 on October 25, 2009, 10:08:45 am ---try this

http://www.doctronics.co.uk/meter.htm

--- End quote ---

ohthanks! i'll go check it out now ^_^

falafail:
k, so.. it says that you should usually use the 20V one for measuring the voltage, but what about the current? do we choose 20A?

nid404:
Yes

evilish62:
how do we measure percentage uncertainity and percentage error ? and also... when we draw the graph is it necessary to start from origin ? i mean what if we have really large values for the y axis .. ?

nid404:
http://www.physics.unc.edu/~deardorf/uncertainty/UNCguide.html

Guess this should help

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