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...Errors types of error definition an is a fault which may occur even in the most careful observation or deviation measurement from standard value uncertainty given arises due to human limitations and instrumental cannot be completely eliminated but can reduced constant caused faulty instrument called because construction calibration when number observations taken by possess same amount then said e g local made measuring scale having on it say cm actually corresponds length measured such will differ its this case always smaller than true hence systematic persistent defective setting adjustment unsystematicness experimentor exists known causes identifying sources applying rules governing subdivided into four main i wrong as zero micrometer screw gauge pointer voltmeter if not pivoted at exact calibrated these minimized ii personal name suggests carelessness observer while taking readings page basic science physics units measurements for example ammeter eye sight should exactly perpendicul...