Principles of Electricity and Electromagnetism |
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Page 203
... space - charge - limited current between plane parallel electrodes . Space Current i Tool -T5 ~ 3 Space Current i -V3 Applied Potential v Temperature FIG . 7.2 . - Variation of thermionic current with applied potential and temperature ...
... space - charge - limited current between plane parallel electrodes . Space Current i Tool -T5 ~ 3 Space Current i -V3 Applied Potential v Temperature FIG . 7.2 . - Variation of thermionic current with applied potential and temperature ...
Page 258
... space - charge equation applies . Above about -5 volts the electrons are drawn to the probe 0 Positive ion space charge sheath potential distribution Double sheath potential distribution symmetrical about this central point -0.2 v / vc ...
... space - charge equation applies . Above about -5 volts the electrons are drawn to the probe 0 Positive ion space charge sheath potential distribution Double sheath potential distribution symmetrical about this central point -0.2 v / vc ...
Page 532
... space which is utterly devoid of matter , it was originally felt necessary to introduce an all - pervading medium , the oscillation of which was responsible for the propagation of an electro- magnetic disturbance . This is the ether or ...
... space which is utterly devoid of matter , it was originally felt necessary to introduce an all - pervading medium , the oscillation of which was responsible for the propagation of an electro- magnetic disturbance . This is the ether or ...
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Common terms and phrases
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