Advanced Electrical Measurements |
Contents
NUMBER PAGE 1 Measurement of Specific Resistance | 21 |
Calibration of a CareyFoster Slide Wire | 28 |
Measurement of High Resistance by Leakage | 31 |
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accuracy adjustment alternating current ampere amplifier apparatus as shown approximately audio balance battery calculate calibration capacitance cathode ray charge coil condenser connected constant couple current flows cycle damping decrease deflection detector determined dial direct current electrical electrodynamometer electrometer electromotive force electrons element equation EXPERIMENT filament flux frequency oscillator gauge grid potential high resistance impedance input inserted instrument ions junction Leeds and Northrup manometer maximum McLeod Gauge measured mercury metal meter method mutual inductance necessary negative obtained ohms operating oscillograph output plate circuit plate current positive potential difference potentiometer pressure pyrometer quantity R₁ R₂ radio frequency range ratio reading relaxation oscillator resistor rheostat scale screen sensitivity shown in Fig shunt slide wire solution standard cell supply switch temperature terminals thermocouple unknown V₁ vacuum tube vacuum tube voltmeter variable voltage gain voltmeter volts wave length Wheatstone bridge zero