Electrical Measurements in Principle and Practice |
Contents
CHAPTER IISTANDARDS ΙΟ | 10 |
CHAPTER IIIACCURACY CONSIDERATIONS | 19 |
PART II | 29 |
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accuracy accurate adjusted alternating ammeter amperes angle apparatus applied arrangement balance battery bridge cable calculated calibrated capacitance carrying cell circuit comprises conductor connected constant core correct deflection depends direct directly divider earth effect electrical electrostatic equal error fault field fixed follows force frequency galvanometer given gives increased indicating inductance instrument insulation known lamp latter leads length less limited load magnetic maximum means measured ment meter method milliammeter milliamperes movement moving coil moving iron necessary normal obtained ohms operation overload peak periodic pointer position possible potential potentiometer practice proportional quantity range ratio reading rectifier reduced resistance scale sensitivity shown shows shunt standard suitable supply switch temperature termed terminals torque transformer units usually valve variable various varying voltage voltmeter volts wattmeter Whilst winding wire zero