Zero error can be eliminated by ensuring precise calibration of measuring instruments, such as rulers or thermometers, to a known standard. Additionally, using multiple measurements and averaging the results can help reduce the impact of random errors. Proper training and technique in data collection and analysis can also minimize human errors that may contribute to zero error.
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By calibrating the instrument using a known measure.
It can also be eliminated by adding measurements - or taking a measurement from a point other than 0.
For example, suppose you have scales with a zero error: say of 5 grams. And you want to 100 grams of flour. If you just put flour in the scale's tray, you will get 95 grams when the scale reads 100 g. However, if you put a bowl there, take a reading m1 grams and then add flour until the reading is (m1 + 100) grams then you will have 100 grams of flour.
we can find the zero error by closing the jaw of screw guage if the zero of main scale(MS) is concide with the zero of circular scale (CS) there is no zero error and if they are not concide there is a zero error in screw guage .
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Undefined: You cannot divide by zero
There is no negative zero or positive zero, zero is just zero so you can take it off. For example: 3-2-0= just 3-2
Zero error is necessary for measuring instruments for measuring accurate results because it helps to check that the instrument which we are using is whether correct or wrong