Principles of Electric and Magnetic Measurements: Part I-Electricity |
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Page 24
... measurement of a continuous p.d. The reversal is of course unnecessary with alternating current , since the parasitic e.m.f. acts always in the same direction , whereas the tension to be measured changes sign every half cycle . The ...
... measurement of a continuous p.d. The reversal is of course unnecessary with alternating current , since the parasitic e.m.f. acts always in the same direction , whereas the tension to be measured changes sign every half cycle . The ...
Page 326
... measurement induced by the magnetization , and the power loss measured is limited to that involved in the magnetization of the specimen . A further advantage of connecting the pressure coil to a secondary winding is that greater ...
... measurement induced by the magnetization , and the power loss measured is limited to that involved in the magnetization of the specimen . A further advantage of connecting the pressure coil to a secondary winding is that greater ...
Page 369
... measured directly . When a cylindrical specimen is subjected to simultaneous axial and circular fields , it experiences a twist - the Wiedemann effect- which may be measured by clamping the specimen ( with non - magnetic extension ...
... measured directly . When a cylindrical specimen is subjected to simultaneous axial and circular fields , it experiences a twist - the Wiedemann effect- which may be measured by clamping the specimen ( with non - magnetic extension ...
Contents
System of Units | 1 |
Standard Cell | 14 |
Quadrant Electrometer | 20 |
Copyright | |
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accuracy adjusted alternating current ammeter ampere angle anode apparatus applied approximately axis balance ballistic bridge C₁ calibration capacitance cathode cell condenser conductor connected connexion constant corresponding cross-section curve deduced deflection determined direct current eddy currents effect electric electrodes electrolyte electromagnet employed equal equation ferromagnetic field-strength flux density galvanometer grid hysteresis impedance increased induced e.m.f. inductometer instrument insulated ions known length loop magnetic circuit magnetic field magnetizing coil magnetizing current magnetizing force magnetometer material maximum means measured meter method metre moving coil multivibrator mutual inductance needle netizing number of turns obtained ohms oscillations oscillograph particles permeability permeameter plate position potential potentiometer produced proportional quartz radio frequencies ratio reading resistance reversed rotation search-coil secondary sensitivity shown in fig shunt specimen standard suitable susceptibility switch tance temperature torque torsion transformer tube uniform usually variable varies vibration voltage voltmeter volts wattmeter Wheatstone bridge winding wire wound zero