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...Laboratory manual basic electrical engineering department of jorhat college assam student profile name roll number section semester year performance record sl exp title the experiment date remarks no grade for office use only checked by overall marks signature teacher a calibration ammeter objective to compare readings an m c or i with those substandard one and hence draw curve b correction circuit diagram v dc supply lamp board list apparatus range make maker s experimental observation error t under test theory voltmeter wattmeter is process checking accuracy reading comparing it standard in other words checks correctness instrument reference various types measuring standards available are given as below international these defined agreement accurate extent production measurement technology time allow periodically evaluated absolute terms fundamental units kept maintained at bureau weights measures paris not ordinary users even purpose primary national laboratories responsible keeping...