Electrical Engineering ⇒ Topic : Absolute Instruments
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Mason
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Absolute Instruments These instruments give the magnitude of the quantity to be measured in terms of physical constants of the instrument. Tangent galvanometer, Rayleigh's current balance, and Lorentz method of resistance measurement are examples of this class of instruments. | |
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Gopal
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Absolute instruments are rarely used except in standard laboratories and for scientific work. The quantity to be measured will be given in terms of the deflection and the constant of the instrument. No calibration is needed in this type of instruments. Divisions on the graduated scale will not have any value marked on it. Two examples of the absolute instruments are: (a) Tangent galvanometer and (b) Rayleigh current balance. | |
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