## Principles of Electricity and Electromagnetism |

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Page 87

The most important parameter influencing the resistivity is, however, the

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 riT<T,&ABC = TflBA + f*VA dT + tJIaC +

ff 'ffO dT + rflcB + f^B dT Now let C represent the measuring instrument the

terminals of which are at the same

above ...

6.11 the emf. developed in it is seen to be riT<T,&ABC = TflBA + f*VA dT + tJIaC +

ff 'ffO dT + rflcB + f^B dT Now let C represent the measuring instrument the

terminals of which are at the same

**temperature**, say, TV Letting Ti = Ts in theabove ...

Page 188

platinum-rhodium from 0 to 1750°C. A pair of junctions to be used for accurate

spaced throughout the range to be used. The two

determine ...

platinum-rhodium from 0 to 1750°C. A pair of junctions to be used for accurate

**temperature**measurement should be standardized at three**temperatures**wellspaced throughout the range to be used. The two

**temperature**pairs willdetermine ...

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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 grad grid hence hysteresis 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 Show shown in Fig solenoid solution surface temperature terminals theorem torque tube unit vector velocity voltage volts wire written zero