Basic Electrical Measurements |
Contents
DEVELOPMENT OF THE ELECTRICAL UNITS | 1 |
EXPERIMENTS AND STATISTICAL ANALYSIS | 12 |
AIDS TO COMPUTATION | 80 |
Copyright | |
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a-c bridge accuracy accurate adjustment ammeter amount applied arrangement balance battery bridge circuit C₁ calibration capacitance capacitor cent comparison component computed connected constant construction correct critical damping current transformer curve cycles decade detector determined deviation difference dissipation factor effect electrical electrodynamometer element equation field Figure Find flux frequency galvanometer give impedance indicated inductance inductor instrument insulating Kelvin bridge laboratory limit load magnetic Maxwell bridge mean measurements meter method ohmmeter ohms oscillator oscillograph parallel phase angle phase-angle error phasor pointer possible potential transformer potentiometer precision primary quantity R₁ R₂ range ratio arms reading reference resistance resistor rheostat rheostat arm sample scale secondary sensitivity shield shown in Fig shows shunt slide wire standard cell switch temperature terminals thermal thermocouple torque unbalance units unknown variable voltage voltmeter wattmeter Wheatstone bridge winding zero