Electrical Measurements and Their Applications |
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Page 66
... approximately 106 ohms , whose value is known to 10 percent or better , across the standard cell terminals . Repeat the earlier procedure and determine the potential difference across the terminals of the standard cell with the resistor ...
... approximately 106 ohms , whose value is known to 10 percent or better , across the standard cell terminals . Repeat the earlier procedure and determine the potential difference across the terminals of the standard cell with the resistor ...
Page 150
... approximately equal to the square root of the sum of the squares of the rise times of the individual stages . This rule gives an immediate guide to the quality of transient response needed in an oscilloscope ( cf. Chap . 7 ) in order to ...
... approximately equal to the square root of the sum of the squares of the rise times of the individual stages . This rule gives an immediate guide to the quality of transient response needed in an oscilloscope ( cf. Chap . 7 ) in order to ...
Page 179
... approximately proportional to frequency up to several tenths of the resonant frequency . The effective inductance Le = X / w is therefore approximately constant . We may study the departures from constancy by setting Qo≫ 1 in Eq ( 8.1 ...
... approximately proportional to frequency up to several tenths of the resonant frequency . The effective inductance Le = X / w is therefore approximately constant . We may study the departures from constancy by setting Qo≫ 1 in Eq ( 8.1 ...
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 moving obtained ohms oscillator oscillographs output voltage parallel particles pass band percent phase plates position potential difference potentiometer pressure probe produce 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 Wheatstone bridge zero