Electrical Measurements and Their Applications |
Contents
Electrical Laboratory PracticePrecision of Measurements | 3 |
EXPERIMENT | 7 |
Direct Current Measurements Using Deflection Meters | 17 |
Copyright | |
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accuracy adjusted alternating current amplifier amplitude approximately attenuator balance battery bridge calibrated capacitance capacitor cathode characteristic impedance charge coaxial line coil Compute condenser conductors connected constant counter curve damping deflection determined devices direct current effect electrons elements energy equal equation error flux density full scale function gage galvanometer grid Hence indicated inductance inductor input impedance instrument ionization leakage low frequency magnetic field magnitude microphone obtained ohms oscillator oscillographs output voltage parallel particles pass band percent phase plates position potential difference potentiometer pressure probe proportional pulse pyrometer quantity quency R₁ R₂ radiation radio frequency ratio reactance reading rectifier resistance resistor resonant sensitivity shield short circuit shown in Fig shunt signal slide wire standard cell switch temperature terminals thermal thermocouple tion usually V₁ vacuum tube volt voltage voltmeter volts wave length wave meter Wheatstone bridge zero