Electrical Measurements and the Calculation of the Errors Involved, Part 1Macdonald, 1950 - Electric measurements |
Contents
H 73150 | 9 |
CALCULATION OF ERRORS | 18 |
MEASUREMEnt of D C RESISTANCE | 24 |
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Common terms and phrases
a₁ a₁t a₂ ammeter amps AR'x arrangement is shown ballistic galvanometer battery cable calculated charge condenser connected constant constructional error D₁ damping deflection a₁ dials discharge division dt dt dV₁ E₁ flux linkages fluxmeter full-scale deflection galvanometer high resistance i₁ i₂ inductance instrument insulation resistance k₁ L₁ logarithmic differential magnet manganin maximum measured meter method moving coil N₁ negligible ohmmeter ohms P₁ pointer potentiometer R+ Rv R+R₁ R₂ radians ratio Re+ Rx reading error relative error resistance R₁ ReVo rheostat rheostat Rh S₁ S₂ scale sensitivity shown in fig shunt sliding contact standard cell standard resistance standardising substandard Systematic Error t₁ temperature torque total resistance V₁ voltage voltmeter volts wattmeter Wheatstone bridge wire write α₂)² αι απ Δα ΔΙ ΔΦι Φο