The correct spelling of the word "milliamperemeter" is /mɪˌliːəmˈpɛrəmiːtər/. It is composed of three parts: "milli," meaning one thousandth, "ampere," the unit of electric current, and "meter," the measuring instrument. The IPA phonetic transcription of this word shows the stress on the second syllable "am" with an "i" sound, followed by a long "e" sound. The word is commonly used in electrical engineering to measure the flow of electrical current in milliamperes.
A milliamperemeter, also known as a milliamp meter, refers to a measuring instrument designed to quantify electrical current in units of milliamperes (mA). It is a type of ammeter, a device used to determine the magnitude of electric current passing through a circuit or component. The prefix "milli-" signifies a one-thousandth of a unit, meaning that a milliamperemeter records current measurements at a reduced scale.
Typically, a milliamperemeter comprises a galvanometer, which is an instrument based on the principle of electromagnetic induction, allowing the deflection of a needle in response to electric current. This galvanometer is calibrated to provide readings directly in milliamperes. The meter often incorporates a built-in shunt resistor, which allows measurements of higher currents without damaging the sensitive mechanism.
Milliamperemeters are commonly used in various applications where the measurement of low-level electrical currents is required. They are essential tools in electrical and electronics laboratories, workshops, and fields such as telecommunications, electronics manufacturing, and automotive diagnostics. By enabling accurate current measurements in the milliampere range, milliamperemeters assist in the analysis, troubleshooting, and maintenance of electrical circuits and devices.
Overall, the milliamperemeter plays a vital role in the field of electrical engineering, providing precise quantification of currents at lower magnitudes, and contributing to the safe and efficient operation of various electrical systems.
An instrument for determining the strength of an electrical current in milliamperes.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "milliamperemeter" is a compound word formed by combining three different terms: "milli-", "ampere", and "meter".
The prefix "milli-" is derived from the Latin word "mille", meaning "thousand". In the metric system, "milli-" is used to indicate one thousandth of a unit.
The term "ampere" is named after the French physicist André-Marie Ampère, who made significant contributions to the field of electromagnetism. The ampere is the unit of electric current in the International System of Units (SI).
Lastly, the word "meter" is derived from the Greek word "metron", meaning "measure". It is used to refer to an instrument used for measuring or determining the quantity of something.