Electrical Measurements and Measuring Instruments |
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adjusted alternating angle applied arms balance bridge cable calculated calibrated capacitance capacitor carried cent charge circuit coil compared conductor connected constant construction core deflection depends described determined dielectric difference direction disc distance earth effect Electrical electrons energy equal equation error expression factor fault field flowing flux flux density force frequency galvanometer given gives increase indicating inductance instrument insulation iron Jour lamp length load loss magnetic material means measured meter method metre moving mutual obtained ohms operation phase plates position potential potentiometer primary produced proportional R₁ R₂ range ratio reading resistance resistor scale secondary shown in Fig shows shunt specimen standard supply surface temperature torque transformer turns unit usually voltage voltmeter wattmeter wave winding wire zero