BALLISTIC GALVANOMETER
Definition Ballistic galvanometers are used for the measurement of charge or quantity of electricity. Some important aspects or exceptional features
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Technological Devices
GALVANOMETERS
MOVING COIL GALVANOMETERS OR STEADY STATE GALVANOMETER Instruments which are used to measure very small currents and voltages are designated
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OSCILLOGRAPHS
Oscillographs are used for the observation and measurement of transient responses, as well as for the determination of alternating current
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VIBRATING – REED FREQUENCY METER
The resonant – reed frequency meter is one of the more simple and ragged frequency measuring instruments in use. Principle:
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THERMO-ELECTRIC PYROMETERS
These pyrometers can measure temperature up to 1400°C. These are not used for precise work and are cheaper as compared
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ELECTRICAL METHODS OF MEASURING TEMPERATURE – PYROMETERS
The mostly used methods of measuring temperature an’ s follows: (a) By mercury thermometers (b) By gas thermometer; (c) By
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