Principles of Electricity and Electromagnetism |
From inside the book
Results 1-3 of 86
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 over ...
... 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 over ...
Page 185
... temperature in a thermoelectric circuit has no effect on the emf . developed by the circuit . The 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 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 187
... temperature measurement . One junction is placed in contact with the body whose temperature is to be measured and the other is maintained at a constant temperature . This reference temperature is generally that of melting ice so that t ...
... temperature measurement . One junction is placed in contact with the body whose temperature is to be measured and the other is maintained at a constant temperature . This reference temperature is generally that of melting ice so that t ...
Other editions - View all
Common terms and phrases
angle antenna applied approximately assumed atom axis becomes calculated capacity carrying cell characteristic charge circuit closed coil component condition conducting conductor connected considered constant curve density depends determined dielectric difference direction discharge discussion distance effective electric electrons element energy equal equation evident expression factor field flow flux force frequency function galvanometer given grid hence impedance important increases indicated induction integral ions known length limited linear load losses magnetic magnetic field magnitude maximum means measured mechanical metal meter method negative normal obtained oscillations parallel path period phase placed plate positive potential present produced proportional quantities radius ratio reduced region relation represents resistance result rotation seen separation Show shown simple solution space surface temperature terminals transformer tube unit vector volts volume wave wire written zero