Principles of Electricity and Electromagnetism |
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Page 299
... flux through it changes by an amount do is given by Eq . ( 9.20 ) as dU = i do ідф The magnetic - flux density B is everywhere proportional to the current so the flux through the circuit is also proportional to the current and by ...
... flux through it changes by an amount do is given by Eq . ( 9.20 ) as dU = i do ідф The magnetic - flux density B is everywhere proportional to the current so the flux through the circuit is also proportional to the current and by ...
Page 333
Gaylord Probasco Harnwell. = 86 q Ꭱ where do is the change in flux linkage . Thus a flux measurement can be reduced to the measurement of a charge . In terms of Eq . ( 10.11 ) Өт = δφ · S ( 1-4 ) 86 2π SRT ( 10.12 ) This equation is ...
Gaylord Probasco Harnwell. = 86 q Ꭱ where do is the change in flux linkage . Thus a flux measurement can be reduced to the measurement of a charge . In terms of Eq . ( 10.11 ) Өт = δφ · S ( 1-4 ) 86 2π SRT ( 10.12 ) This equation is ...
Page 371
... flux densities . Also their hysteresis losses are small . The addition of a few per cent of chromium or molybdenum ... flux densities the perminvars , which are alloys containing about 45 per cent Ni , 30 per cent Fe , and 25 per cent Co ...
... flux densities . Also their hysteresis losses are small . The addition of a few per cent of chromium or molybdenum ... flux densities the perminvars , which are alloys containing about 45 per cent Ni , 30 per cent Fe , and 25 per cent Co ...
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alternating current alternating-current ampere amplifier amplitude angle angular anode antenna applied approximately armature assumed atom axis calculated capacity cathode cell characteristic charge circuit coefficient coil component condenser conducting conductor considered constant curl current flowing curve deflection density determined dielectric dielectric constant direct-current direction dynamic resistance effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer grad harmonic hence impedance induction integral ions known length linear load magnetic field magnetic moment magnitude maximum measured meter negative obtained ohms oscillations output parallel phase plane plate current positive potential difference potentiometer quantities R₁ radiation radius ratio reactance region represents resistance resonant rotation scalar shown in Fig solution surface temperature terminals theorem torque transconductance triode tube unit vacuum tube vector velocity voltage volts wave wire written zero