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Errors in Measurements pagb
Calculation of Errors
Measurement of D C Resistance
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accidental error ammeter amps angular speed arrangement is shown ballistic galvanometer battery cable calculated calibration charge circuit coil deflection condenser connected Consider fig constant constructional error critical conditions critical resistance damping deflection ax dials discharge division dt dt error on Rx flux linkages fluxmeter high resistance inductance instrument insulation resistance logarithmic differential magnetic manganin maximum deflection measured meter method moving coil ohmmeter ohms open circuit oscillations pointer potentiometer radians ratio RcVo reading error relative error resistance Rx Rx and R2 Rx R2 Rx Rx scale shown in fig shunt sliding contact standard cell standard resistance standardising substandard suitable Systematic Error temperature torque total resistance University of London V-RAI value of Rx voltage voltmeter volts wattmeter Wheatstone bridge wire write