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p. 393. Measurement in the physical sciences and engineeringlocked

  • David J. Hand


As new physical phenomena are discovered, new kinds of instruments have to be devised to measure them and old physical units are regularly redefined. It has also been necessary for measurement accuracy to increase as science and engineering has progressed. ‘Measurement in the physical sciences and engineering’ looks at the measurement of some important physical properties: length and distance; area and volume; mass, weight, and force; time; temperature; electrical and magnetic units such as electrical charge, current, potential, resistance, inductance, magnetic flux, and frequency; and measurement in quantum theory. In general, physical properties can be expressed as monomial combinations of six base attributes: charge, temperature, mass, length, time, and angle.

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