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Definition of the noun ammeter

What does ammeter mean as a name of something?

noun - plural: ammeters

  1. a meter that measures the flow of electrical current in amperes
    • lexical domain: Artifacts - nouns denoting man-made objects
    • more generic word: meter = any of various measuring instruments for measuring a quantity
    • more specific word: milliammeter = a sensitive ammeter graduated in milliamperes


Ammeter: An ammeter is a measuring instrument used to measure the electric current in a circuit. Electric currents are measured in amperes, hence the name. Instruments used to measure smaller currents, in the milliampere or microampere range, are designated as milliammeters or microammeters. Early ammeters were laboratory instruments which relied on the Earth's magnetic field for operation. By the late 19th century, improved instruments were designed which could be mounted in any position and allowed accurate measurements in electric power systems.

  • also known as 电流表

Printed dictionaries and other books with definitions for Ammeter

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Google previewPhysics Vol (1 and 2)

Ammeter : An ammeter is an electrical instrument and is used to measure current flowing in a circuit in ampere. It is essentially...

An ammeter is a low resistance galvanometer and is connected in series in a circuit to read current directly in 'a';.

Google previewHow to Tune and Modify Bosch Fuel Injection

by Ben Watson

Thus, below 10 amps the inductive ammeter is a poor choice. Shunt Ammeter The shunt ammeter is the ideal choice for measuring very small currents like those found in automotive computer circuits. It must be connected in series with the ...

Google previewElectricity and Magnetism (1991)

by Edward P. Ortleb, Richard Cadice

The ammeter is the instrument used to measure amperage. As the electrons move through the conductor, a certain amount of opposition is offered by the conductor to the flow of the electrons. This opposition is known as resistance and is ...

Google previewComputer Fundamentals and Problem Solving

Thus, ammeter is an analog device. Analog computers use this principle, though they are much more complicated and can perform sophisticated processing of data. Analog computers are comparatively slow and less accurate. They are ...

Google previewServant Leadership: Research and Practice (2014)

Research and Practice by Selladurai, Raj

Tony Ammeter is the Associate Dean for Undergraduate Programs in the School of Business Administration at the University of Mississippi and holds a joint appointment as an Associate Professor in the School's Management Information ...

Google previewStudy Guide for Electric Circuits (2012)

by Cram101 Textbook Reviews

Ammeter: An Ammeter is a measuring instrument ...

Google previewSuper Course in Physics for the IIT-JEE: Electricity and Magnetism

Ammeter and Voltmeter Ammeter is a device used to measure the current flowing through a circuit, and voltmeter is a device used to measure the potential difference. In both these measuring devices, the principle of the galvanometer is made ...

Google previewReview Guide for LPN-LVN Pre-entrance Exam (2004)

by Mary McDonald, National League for Nursing. Assessment and Evaluation Division

An ammeter is a device that measures the current going through any specific point on the circuit. Electrical power is expressed as Watts. Power = Voltage X Current Watts = Voltage X Amperes Modern Physics Terms to be Defined MaSS defect ...

Google previewSat Subject Test Physics 10th Edition (2010)

by Herman Gerwitz, Jonathan S. Wolf

E An ammeter is a galvanometer with a low resistance (“shunt”) placed in parallel across its coil. 37. B The voltmeter measures the potential difference between its terminals. The voltmeter is in parallel with R 1; therefore, the voltage across ...

Google previewThe Standard Electrical Dictionary: A Popular Dictionary of Words and Terms Used in the Practice of Electrical Engineering (1898)

by Thomas O'Conor Sloane

GRAVITY SOLENOID AMMETER. Ammeter, Magnetic Vane. A fixed plate of soft iron is placed within a coil. Facing it is a second disc free to move or swing on an axis. When the field is excited the two repel each other because like polarity is ...

Google previewCraftsman's Illustrated Dictionary of Construction Terms (1994)

by James T. Frane

ammeter,. clamp-on. anchor block / angles, adjacent 19 angle of repose finish. American Standard Code for Information Interchange (ASCII) - the code used in computers to represent letters, symbols and use instructions. American Wire Gauge ...

Google previewAmerican telegraphy and encyclopedia of the telegraph: systems, apparatus, operation (1903)

Embracing electrical testing; primary and storage batteries; dynamo machines; Morse, duplex, quadruplex, multiplex, submarine, automatic, and wireless telegraphy; burglar-alarm, fire-alarm, and police-alarm telegraphy; printing telegraphy; military and naval signaling; railway block systems; telegraph wire, cables, and conduits; etc by William Maver (jr.)

ioii an ammeter is illustrated as it appears in practice. The voltmeter is practically similar in external appearance, Fig. ioic. In the type of instruments illustrated, a rectangular or oblate coil of wire pivoted on jeweled bearings is placed in a ...

Google previewDyke's Automobile and Gasoline Engine Encyclopedia (1920)

by Andrew Lee Dyke

Ammeter shows excessive "discharge" at low speeds or engine Idle; this is caused by the cut-out contacts being held closed or "stuck," and means a dead short circuit of the battery through the generator. This must be corrected at once by ...

Google previewa dictionary of automobile terms (1913)

by albert l. clough

Ammeter — An instrument for the measurement of the rate of flow of electricity in a circuit, or, in other words, for the measurement of the volume of the electric current flowing. Ammeters are usually constructed upon the electromagnetic ...

Google previewFiber Optics Illustrated Dictionary (2002)

by J.K. Petersen

ammeter, ampere meter An instrument for measuring the flow of electric current in alternating or direct current in ampere...

When used as a measuring and diagnostic instrument, an ammeter is connected in series with a circuit to measure the ...

Google previewThe Telecommunications Illustrated Dictionary, Second Edition (2002)

by J.K. Petersen

ammeter, ampere meter An instrument ...

Google previewAutomobile Dictionary (2010)

by Albert Clough

Ammeter — An instrument for the measurement of the rate of flow of electricity in a circuit, or, in other words, for the measurement of the volume of the electric current flowing. Ammeters arc usually constructed upon the electromagnetic ...

Google previewMachinery's Encyclopedia (1917)

A Work of Reference Covering Practical Mathematics and Mechanics, Machine Design, Machine Construction and Operation, Electrical, Gas, Hydraulic, and Steam Power Machinery, Metallurgy, and Kindred Subjects in the Engineering Field by Erik Oberg, Franklin Day Jones

The two ammeter leads or busses are connected to these contacts. A bus ammeter jack plug is shown at B, Fig. I8. The plug is made up of three parts and the handle. One part is a brass rod having a part of its length of small diameter and the ...

Google previewPilot's Encyclopedia of Aeronautical Knowledge (2013)

Federal Aviation Administration by Federal Aviation Administration Federal Aviation Administration

An ammeter is usedto monitor the performance of the airplane electrical system. The ammeter shows if the alternator/generator is producing an adequate supply of electrical power. It also indicates whether or not the battery is receiving an ...

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Ammeter Meaning

Video shows what ammeter means. A device that measures the magnitude of an electric current, especially one calibrated in amperes.. Ammeter Meaning.

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Quotes about Ammeter

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Scrabble value of A1M3M3E1T1E1R1

The value of this 7-letter word is 11 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

Anagrams of AMMETER

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