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Because uncertainty is actually a practical measure of the experimenter's difficulties/limitations. 1 mm would be unrealistic as the experiment is a bit difficult and error isn't just caused by the instrument.
Got it, Thanks
u dont need to make any changes... just calculate as it is... eg. u have mA^(-1) on y-axis and cm on x-axis, the units for your gradient will be mA^(-1) cm^(-1) ....... it should be consistent with the values..
Hope it helps!!
20cm wire on card sample!! whats that for??Ok guys here's what i got .....
1.5 volt cell
switch
meter rule
ammeter
110 cm wire on a meter rule
20 cm wire on card sample
reheostat
8 connecring leads
micrometer screwguage
and 2nd one
2 stands with boss clamps
1 glass ball, 0r you can call it a marble ..or some people call it a Banta ...
patri dish
stopwatch
runway
2 wooden blocks with splints ..
and most probably it would be same like physics p34 oct/nov 2012.......
i can't confirm about the experiments ...but hopefully this is coming ...!!!...
yeah that's probably variable resistor
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