Principles of Electricity and Electromagnetism |
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Page 87
The most important parameter influencing the resistivity is, however, the
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 ...
The most important parameter influencing the resistivity is, however, the
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 ...
Page 185
6.11 the emf. developed in it is seen to be a a dT + tJIac + I <tc dT + tJIcb + I ab dT
Now let C represent the measuring instrument the terminals of which are at the
same temperature, say, TV Letting Ti = T3 in the above expression J'Ti [ftA ...
6.11 the emf. developed in it is seen to be a a dT + tJIac + I <tc dT + tJIcb + I ab dT
Now let C represent the measuring instrument the terminals of which are at the
same temperature, say, TV Letting Ti = T3 in the above expression J'Ti [ftA ...
Page 360
The paramagnetic susceptibility of a substance is a function of the temperature.
The reason for this is that the thermal motion of the molecules tends to annul the
net orientation in the direction of the field. The variation of paramagnetic ...
The paramagnetic susceptibility of a substance is a function of the temperature.
The reason for this is that the thermal motion of the molecules tends to annul the
net orientation in the direction of the field. The variation of paramagnetic ...
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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 discharge effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer given grid hence impedance induction integral ions known Laplace's equation length linear load magnetic field magnetic induction magnitude maximum measured metal meter negative normal obtained ohms oscillations output parallel phase plane plate polarization positive potential difference potential wave potentiometer produced proportional quantities radiation radius ratio reactance region represents resistance resonant rotation scalar Show shown in Fig solenoid solution surface temperature terminals theorem torque tube unit vector velocity voltage volts wire written zero
Bibliographic information
| Title | Principles of Electricity and Electromagnetism International series in pure and applied physics International series in physics International series in physics. Lee A. DuBridge, consulting editor |
| Author | Gaylord Probasco Harnwell |
| Publisher | McGraw-Hill, 1938 |
| Length | 619 pages |
| Export Citation | BiBTeX EndNote RefMan |