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 49
... vibration instruments , of which the vibration galvanometer is the best - known type , the damping b is kept low , and the tension of the suspension is adjusted for the amplitude of the vibration to be a maximum . It is easy to show ...
... vibration instruments , of which the vibration galvanometer is the best - known type , the damping b is kept low , and the tension of the suspension is adjusted for the amplitude of the vibration to be a maximum . It is easy to show ...
Page 51
... Vibration Galvanometer . Passing now to the second class of vibration instruments , in which the principle of resonance is ... vibrating system is a long III ] 51 ELECTROMAGNETIC OSCILLOGRAPH String Galvanometer 14 Vibration Galvanometer.
... Vibration Galvanometer . Passing now to the second class of vibration instruments , in which the principle of resonance is ... vibrating system is a long III ] 51 ELECTROMAGNETIC OSCILLOGRAPH String Galvanometer 14 Vibration Galvanometer.
Page 186
... vibrating about a horizontal axis , and having its plane vertical in the position of rest . If an alternating current at some low frequency , say between 10 and 20 c / s , be sent through the coil , vibration takes place as long as ...
... vibrating about a horizontal axis , and having its plane vertical in the position of rest . If an alternating current at some low frequency , say between 10 and 20 c / s , be sent through the coil , vibration takes place as long as ...
Contents
PART IELECTRICITY CHAPTER | 1 |
Standards | 2 |
Standards of Mutual Inductance | 5 |
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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