The London, Edinburgh and Dublin Philosophical Magazine and Journal of ScienceTaylor & Francis, 1901 - English periodicals |
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Page 144
... disk AB attached to a rectan- gular frame ACDB was suspended by a wire E. The disk surrounded a vertical bar - electromagnet NS , and was charged by means of a battery through the wire E. During an expek riment , the magnetizing current ...
... disk AB attached to a rectan- gular frame ACDB was suspended by a wire E. The disk surrounded a vertical bar - electromagnet NS , and was charged by means of a battery through the wire E. During an expek riment , the magnetizing current ...
Page 145
... disk when the magnet is reversed is 1 SS zarde rdQdt = 2- SSdH . dQ = H2Q2 R where Q is the total charge on the disk and Ho the total induction through the magnet when the current is steady in either direction . Fig . 1 . N E A B When ...
... disk when the magnet is reversed is 1 SS zarde rdQdt = 2- SSdH . dQ = H2Q2 R where Q is the total charge on the disk and Ho the total induction through the magnet when the current is steady in either direction . Fig . 1 . N E A B When ...
Page 146
... disk , and half the current going down each side of the frame . The impulsive couple on the frame when the charge is reversed is therefore - dH r dQ 2πr 2 dt 2 SS === dt HoQo = - ( For all the lines of force going through the middle ...
... disk , and half the current going down each side of the frame . The impulsive couple on the frame when the charge is reversed is therefore - dH r dQ 2πr 2 dt 2 SS === dt HoQo = - ( For all the lines of force going through the middle ...
Page 147
disk which will amount to a current equal and opposite to that carried on the disk . Also , if the drum - ends are removed , the full effect will not be observed unless the insulation of the sectors on the mica and on the disk is good ...
disk which will amount to a current equal and opposite to that carried on the disk . Also , if the drum - ends are removed , the full effect will not be observed unless the insulation of the sectors on the mica and on the disk is good ...
Page 148
... disk should produce a magnetic field . Cremieu , however , only obtained a small field , which he supposed was a spurious effect . It is assumed in the above that the insulation between the sectors is perfect . If this is not the case ...
... disk should produce a magnetic field . Cremieu , however , only obtained a small field , which he supposed was a spurious effect . It is assumed in the above that the insulation between the sectors is perfect . If this is not the case ...
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æther apparatus atom bismuth calculated carbon cathode centim centre charge coil component condenser condensing-plates constant corresponding Crémieu crystal Crystallographic Axis curve cyanogen deflexion density diameter dielectric direction discharge disk distance effect electric electrodes electrometer electromotive force element equal equation equilibrium experiments field force formula frequency function galvanometer gases given gives harmonic heat Hence hydrogen increase ionization ions J. J. Thomson kilometres per second kinetic energy length light lines liquid magnetic mean measured metal method millimetres molecules motion needle negative ions observed obtained paper particles period Phil phosphorus plane plate positive potential pressure produced quaternions radiation radius ratio resistance reversed rotation sectors space spectra spectrum spheres suppose surface TABLE temperature theory tube vary velocity vibrations volts volume Voss machine wave-length waves wire zero