Advanced Electrical Measurements |
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Page 36
... sensitivity of the galvanometer . Other ways of expressing the sensitivity are : 1. The microvolt sensitivity is defined as the deflection in millimeters at one meter when a potential difference of one millionth of a volt is maintained ...
... sensitivity of the galvanometer . Other ways of expressing the sensitivity are : 1. The microvolt sensitivity is defined as the deflection in millimeters at one meter when a potential difference of one millionth of a volt is maintained ...
Page 40
... sensitivity . If the external resistance is lower than the initial damping resistance , a series resistance may be added , and this decreases the voltage sensitivity . The best condition of opera- tion , usually , is with the ...
... sensitivity . If the external resistance is lower than the initial damping resistance , a series resistance may be added , and this decreases the voltage sensitivity . The best condition of opera- tion , usually , is with the ...
Page 60
... sensitivity . By a further manipulation of the position of the electrodes and adjustment of the earth contact , G , various forms of calibration curves can be obtained . Many types of construction are used , but nearly all of them use ...
... sensitivity . By a further manipulation of the position of the electrodes and adjustment of the earth contact , G , various forms of calibration curves can be obtained . Many types of construction are used , but nearly all of them use ...
Contents
CHAPTER IOBSERVATIONAL DATAGRAPHICAL REPRE | 1 |
CHAPTER IIMEASUREMENT OF RESISTANCE | 14 |
Measurement of Specific Resistance | 20 |
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a₁ accuracy adjustment alternating current ammeter ampere amplifier apparatus as shown audio frequency balance ballistic galvanometer battery black body calculate calibration capacitance cathode centimeter charge circuit coil compute condenser conductors connected constant correction couple current flowing cycle damping decrease deflection determined dial direct current discharge electrical electrolytic electrometer electromotive force electrons emission equal equation errors EXPERIMENT field filament flux frequency oscillator gauge grid potential instrument ions junction known laboratory Leeds and Northrup magnetic manometer McLeod Gauge mercury metal method millimeters molecules mutual inductance needle obtained ohms plate current Plot a curve positive potential difference potentiometer precision measure pressure proportional pyrometer quadrants quantity R₁ R₂ rheostat scale sensitivity shown in Fig shunt slide wire solution standard cell standard resistance switch temperature thermocouple torque unit usually V₁ vacuum tube variable velocity voltage voltmeter volts wave length Wheatstone bridge zero