Principles of Electricity and Electromagnetism |
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Page 87
... temperature . For all pure metals the resistivity increases . with rising temperature , but certain alloys such as manganin and con- stantan have been developed for which the resistivity is practically independent of the temperature ...
... temperature . For all pure metals the resistivity increases . with rising temperature , but certain alloys such as manganin and con- stantan have been developed for which the resistivity is practically independent of the temperature ...
Page 185
... temperature in a thermoelectric circuit has no effect on the emf . developed by the circuit . The T2 terminals of an instrument can easily be kept at the same temperature , but it is seldom convenient to have this one of the reference ...
... temperature in a thermoelectric circuit has no effect on the emf . developed by the circuit . The T2 terminals of an instrument can easily be kept at the same temperature , but it is seldom convenient to have this one of the reference ...
Page 360
... temperature . The diamagnetic tendency is independent of temperature and is analogous to the electrostatic distortion polariza- tion . The average effective component of the magnetic moment of a molecule in the direction of the field ...
... temperature . The diamagnetic tendency is independent of temperature and is analogous to the electrostatic distortion polariza- tion . The average effective component of the magnetic moment of a molecule in the direction of the field ...
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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