Principles of Electric and Magnetic Measurements: Electricity, by P. Vigoureux .... Electricity, by P. Vigoureux .... Magnetism, by C. E. Webb ..., Parts 1-2 |
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Page 10
... temperature of the oil bath in which it is usual to immerse accurate resistance standards . Alloys of the manganin type have a temperature of maximum resistance . The composition and heat treatment of the best standards are calculated ...
... temperature of the oil bath in which it is usual to immerse accurate resistance standards . Alloys of the manganin type have a temperature of maximum resistance . The composition and heat treatment of the best standards are calculated ...
Page 373
... Temperature on Magnetic Properties . ( a ) General Almost all magnetic properties are influenced by temperature , and a great deal of experimental work has been carried out to investigate the effects of high and low temperatures . Much ...
... Temperature on Magnetic Properties . ( a ) General Almost all magnetic properties are influenced by temperature , and a great deal of experimental work has been carried out to investigate the effects of high and low temperatures . Much ...
Page 375
... temperature throughout a long rod , the ratio length / diameter for specimens tested by this method is usually too small for the self- demagnetizing force to be accurately determined . Ring specimens may therefore be used with advantage ...
... temperature throughout a long rod , the ratio length / diameter for specimens tested by this method is usually too small for the self- demagnetizing force to be accurately determined . Ring specimens may therefore be used with advantage ...
Contents
PART IELECTRICITY CHAPTER | 1 |
Standards | 2 |
Standards of Mutual Inductance | 5 |
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Common terms and phrases
accuracy adjusted alternating current ammeter ampere angle anode apparatus approximately axis balance bridge C₁ calibration capacitance cathode cell condenser conductor connected connexion constant convenient corresponding cross-section curve deduced deflection demagnetizing determined direct current eddy currents effect electric electrodes electrolyte electromagnet employed equal equation factor ferromagnetic field-strength flux density galvanometer given grid impedance increased induced e.m.f. inductometer instrument insulated ions known length 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 resonance reversed rotation search-coil secondary sensitivity shown in fig shunt solenoid specimen standard suitable susceptibility switch tance temperature torque torsion transformer tube uniform usually variable varies vibration voltage voltmeter volts wattmeter Wheatstone bridge wire wound zero