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ammeter    音标拼音: ['æm,itɚ]

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  • Ammeter - Wikipedia
    An ammeter (abbreviation of ampere meter) is an instrument used to measure the current in a circuit Electric currents are measured in amperes (A), hence the name For direct measurement, the ammeter is connected in series with the circuit in which the current is to be measured
  • Ammeter Working Principle and Types of Ammeter - Electrical4U
    Since ampere is the unit of current, an ammeter is an instrument designed to measure electric current The working principle of an ammeter is that it must have very low resistance and inductive reactance This low impedance is essential to minimize voltage drop and power loss
  • Ammeter | Definition, Types, Symbol, Facts | Britannica
    ammeter, instrument for measuring either direct (DC) or alternating (AC) electric current, in amperes An ammeter can measure a wide range of current values because at high values only a small portion of the current is directed through the meter mechanism; a shunt in parallel with the meter carries the major portion
  • What is Ammeter? - BYJUS
    An ammeter is a thermally sensitive device that is affected by internal as well as external environmental conditions Temperature contributes to the reading of the device The resistance having a zero temperature coefficient is known as the swamping resistance
  • What is Ammeter? and Explain its Types and Applications
    An “ampere meter,” more commonly known as an ammeter, is an instrument used to measure the electric current flowing through a circuit The unit of measurement for electric current is the ampere (A), and hence the device is called an ammeter
  • What is Ammeter? - Definition, Types, Shunt Ammeter . . .
    Definition: The meter uses for measuring the current is known as the ammeter The current is the flow of electrons whose unit is ampere Hence the instrument which measures the flows of current in ampere is known as ampere meter or ammeter The ideal ammeter has zero internal resistance But practically the ammeter has small internal resistance
  • Ammeter- Definition and Working Principle - Electrical Academia
    The article explains the definition and working principle of an ammeter, a device used to measure electric current It covers types of ammeters, their circuit placement, internal resistance, and methods for extending their range using shunt resistors and multi-range configurations





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