Advanced Electrical Measurements |
Contents
CHAPTER PAGE | 1 |
2MEASUREMENT OF RESISTANCE | 14 |
NUMBER PAGE 1 Measurement of Specific Resistance | 21 |
Copyright | |
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accuracy adjustment alternating current ammeter ampere amplifier apparatus as shown approximately audio balance ballistic galvanometer battery C₁ calculate calibration capacitance cathode charge circuit coil condenser conductors connected constant correction couple current flows cycle damping decrease deflection determined dial direct current electrical electrode electrodynamometer electrolytic electrometer electromotive force equal equation errors EXPERIMENT filament flux density gauge grid high resistance impedance input inserted instrument ions known Leeds and Northrup magnetic field maximum measured ment metal meter method mutual inductance necessary negative obtained ohms oscillograph output plate current positive potential difference potentiometer pressure proportional pyrometer quantity R₁ R₂ radio frequency range ratio reading relaxation oscillator resistor rheostat scale sensitivity shown in Fig shunt slide wire solution standard cell supply switch temperature terminals thermocouple torque unknown usually V₁ vacuum tube vanometer variable volt voltage voltmeter volts wave length Wheatstone bridge zero